Error Monitor Lamps SANYO Multi System Air Conditioner CLM 1972/2472/3172

Trouble Diagnosis by Error Monitor Lamps Remove the top plate of outdoor unit and the cover of Electrical Component Box. The Power Lamp and Error Monitor Lamps are located on the P.C.Board of Electrical Component Box. (Fig.1) Display of the Error Monitor Lamps If a protective device has activated or there is a sensor failure in the outdoor unit, the 4 error monitor lamps on the outdoor control circuit board will indicate the nature of the trouble. Error Monitor Lamp 

ERR 0 = ON 

ERR 1 = OFF 

ERR 2 = OFF 

ERR 3 = ON 

Error Contents = Sensor for compressor discharge temp 

Error Monitor Lamp 

ERR 0 = OFF 

ERR 1 = ON 

ERR 2 = OFF 

ERR 3 = ON Error Contents = Sensor for heat excharge temp 

Error Monitor Lamp 

ERR 0 = ON 

ERR 1 = OFF 

ERR 2 = OFF 

ERR 3 = OFF 

Error Contents = Sensor for branch pipe A (Narrow tube) 

Error Monitor Lamp 

ERR 0 = OFF 

ERR 1 = ON 

ERR 2 = OFF 

ERR 3 = OFF 

Error Contents = Sensor for branch pipe B (Narrow tube) 

Error Monitor Lamp 

ERR 0 = ON 

ERR 1 = ON 

ERR 2 = OFF 

ERR 3 = OFF 

Error Contents = Sensor for branch pipe C (Narrow tube) 

Error Monitor Lamp 

ERR 0 = OFF 

ERR 1 = OFF 

ERR 2 = ON 

ERR 3 = OFF 

Error Contents = Sensor for branch pipe D (Narrow tube) 

Error Monitor Lamp 

ERR 0 = ON 

ERR 1 = ON 

ERR 2 = OFF 

ERR 3 = ON 

Error Contents = Outdoor temp sensor 

Error Monitor Lamp 

ERR 0 = ON 

ERR 1 = OFF 

ERR 2 = ON 

ERR 3 = OFF 

Error Contents = Sensor for branch pipe A (Wide tube) 

 Error Monitor Lamp 

ERR 0 = OFF 

ERR 1 = ON 

ERR 2 = ON 

ERR 3 = OFF 

Error Contents = Sensor for branch pipe B (Wide tube) 

Error Monitor Lamp 

ERR 0 = ON 

ERR 1 = ON 

ERR 2 = ON ERR3 = OFF 

Error Contents = Sensor for branch pipe C (Wide tube) 

Error Monitor Lamp 

ERR 0 = OFF 

ERR 1 = OFF 

ERR 2 = OFF 

ERR 3 = ON 

Error Contents = Sensor for branch pipe D (Wide tube) 

Error Monitor Lamp 

ERR 0 = OFF 

ERR 1 = OFF 

ERR 2 = ON 

ERR 3 = ON 

Error Contents = HIC circuit trouble (current, temp) 

Error Monitor Lamp 

ERR 0 = OFF 

ERR 1 = ON 

ERR 2 = ON 

ERR 3 = ON 

Error Contents = Actuation of comp over load relay 

Error Monitor Lamp 

ERR 0 = ON 

ERR 1 = OFF 

ERR 2 = ON 

ERR 3 = ON Error Contents = Actuation of freeze protection function 

Error Monitor Lamp 

ERR 0 = ON 

ERR 1 = ON 

ERR 2 = ON 

ERR 3 = ON 

Error Contents = Outdoor unit error. Detail of error message indicate on indoor LED

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SANYO SAP-KRV9AEH+SAP-CRV9AEH & SAP-KRV12AEH+SAP-CRV12AEH ERROR CODE

Troubleshooting from Error Display NOTE 4 minutes after protection stop of compressor, the malfunction is shown in error code. In other situation, the malfunction will be displayed by press the light button for 6 times within 4 seconds. 

Code = 1 

Malfunction = Storage slug 

Error Display Dual 8 Display = EE 

LED = Heating LED-pause 3 seconds and blink 15 times 

Repair Method = Replace indoor main board. 

Code = 2 

Malfunction = Indoor PCB malfunction 

Error Display Dual 8 Display = EE 

LED = Heating LED-pause 3 seconds and blink 15 times 

Repair Method = Replace indoor main board. 

Code = 3 

Malfunction = Anti-freezing protection 

Error Display Dual 8 Display = E2 

LED = Running LED-pause 3 seconds and blink 2 times 

Repair Method = Outdoor ambient temperature is too low. 

Code = 4 

Malfunction = Overload of system 

Error Display Dual 8 Display = H4 

LED = Heating LED-pause 3 seconds and blink 4 times 

Repair Method = System is abnormal, check if the evaporator and condenser is dirty and blocked. 

Code = 5 

Malfunction = No motor of indoor unit feedback Indoor pipe 

Error Display Dual 8 Display = H6 

LED = Running LED-pause 3 seconds and blink 11 times 

Repair Method = Is electromotor mounted normally ? 

Code = 6 

Malfunction = temperature sensor malfunction Internal ambient 

Error Display Dual 8 Display = F2 

LED = Cooling LED-pause 3 seconds and blink 2 times 

Repair Method = Is it loose ? Measure the resistance value with universal meter 

Code = 7 

Malfunction = temperature sensor malfunction 

Error Display Dual 8 Display = F1 

LED = Cooling LED-pause 3 seconds and blink 1 time 

Repair Method = Is it loose ? Measure the resistance value with universal meter 

Code = 8 

Malfunction = Zero passage abnormal 

Error Display Dual 8 Display = UF 

LED = Heating and cooling LED blink 7 times at the same time 

Repair Method = Replace indoor main board. 

Code = 9 

Malfunction = Overload of compressor 

Error Display Dual 8 Display = H3 

LED = Heating LED-pause 3 seconds and blink 3 times 

Repair Method = Inspect connection state of the overload wire. 

Code = 10 

Malfunction = Startup failure 

Error Display Dual 8 Display = LC 

LED = Heating LED-pause 3 seconds and blink 11 times 

Repair Method = Check if the resistance of compressor and resistance to ground is normal. If the compressor is normal, the outdoor main board may be wrong. 

Code = 11 

Malfunction = No motor of outdoor unit feedback 

Error Display Dual 8 Display = UH 

LED = Heating and cooling LED blink 8 times at the same time 

Repair Method = This malfunction may happen when outdoor DC electromotor is used. 

Code = 12 

Malfunction = Over current protection 

Error Display Dual 8 Display = E5 

LED = Running LED-pause 3 seconds and blink 5 times 

Repair Method = Is electric network variable ? 

Code = 13 

Malfunction = 4-way valve conversion abnormal 

Error Display Dual 8 Display = U7 

LED = Cooling LED-pause 3 seconds and blink 20 times 

Repair Method = Replace 4-way valve. 

Code = 14 

Malfunction = Phase current detection malfunction of compressor 

Error Display Dual 8 Display = U1 

LED = Heating LED-pause 3 seconds and blink 13 times 

Repair Method = Replace outdoor main board. 

Code = 15 

Malfunction = Sync failure 

Error Display Dual 8 Display = H7 

LED = Heating LED-pause 3 seconds and blink 7 times 

Repair Method = Check if the resistance of compressor and resistance to ground is normal. If the compressor is normal, the outdoor main board may be wrong. 

Code = 16 

Malfunction = Current detection malfunction of complete unit Outdoor ambient 

Error Display Dual 8 Display = U5 

LED = Cooling LED-pause 3 seconds and blink 13 times 

Repair Method = Replace outdoor main board. 

Code = 17 

Malfunction = temperature sensor malfunction 

Error Display Dual 8 Display = F3 

LED = Cooling LED-pause 3 seconds and blink 3 times 

Repair Method = Is it loose ? Measure the resistance value with universal meter 

Code = 18 

Malfunction = Discharge protection of compressor 

Error Display Dual 8 Display = F4 

LED = Running LED-pause 3 seconds and blink 4 times  

Repair Method = Is it loose ? Measure the resistance value with universal meter 

Code = 19 

Malfunction = Break-circuit and short-circuit of outdoor discharge temperature sensor 

Error Display Dual 8 Display = F5 

LED = Cooling LED-pause 3 seconds and blink 5 times 

Repair Method = Is it loose ? Measure the resistance value with universal meter 

Code = 20 

Malfunction = short-circuit of outdoor condenser temperature sensor 

Error Display Dual 8 Display = F4 

LED = Cooling LED-pause 3 seconds and blink 18 times 

Repair Method = Is it loose ? Measure the resistance value with universal meter 

Code = 21 

Malfunction = Overheat of carbon fin 

Error Display Dual 8 Display = P8 

LED = Heating LED-pause 3 seconds and blink 19 times 

Repair Method = Is outdoor ambient temperature is too high ? Is radiator mounted correctly ?

 

Code = 22 

Malfunction = DC over current 

Error Display Dual 8 Display = UU 

LED = Heating and cooling LED blink 11 times at the same time 

Repair Method = 

Code = 23 

Malfunction = Temperature sensor malfunction of carbon fin 

Error Display Dual 8 Display = P7 

LED = Heating LED-pause 3 seconds and blink 18 times 

Repair Method = Replace outdoor main board. 

Code = 24 

Malfunction = Lack of Freon or block protection 

Error Display Dual 8 Display = F0 

LED = Cooling LED-pause 3 seconds and blink 10 times 

Repair Method = 

Code = 25 

Malfunction = DC input voltage is too high 

Error Display Dual 8 Display = PH 

LED = Cooling LED-pause 3 seconds and blink 11 times 

Repair Method = Is voltage of AC power supply normal ? 

Code = 26 

Malfunction = DC input voltage is too low 

Error Display Dual 8 Display = PL 

LED = Heating LED-pause 3 seconds and blink 21 times 

Repair Method = Is voltage of AC power supply normal ? 

Code = 27 

Malfunction = Communication malfunction Setting error. 

Error Display Dual 8 Display = E6 

LED = Running LED-pause 3 seconds and blink 6 times 

Repair Method = Is Outdoor connecting wire reliably connected ? 

Code = 28 

Malfunction = Indoor and outdoor unit abnormal 

Error Display Dual 8 Display = UA 

LED = Heating and cooling LED blink 12 times at the same time 

Repair Method = Outdoor unit is not matched with indoor unit.

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SANYO KHS3082+CH3082 & KHS3682+CH3682 Error Code

Since the indications cover various units, the corresponding parts listed below may not be  present in some models. 

Indication on Indoor unit

Alarm Code = F10

LED Clean (3) = OFF

Timer (2) = OFF

Operation (1) = Blinking

Error Code = S01

Diagnosis Contents = Room temperature sensor failure

Possible Malfunction = 1. Sensor open circuit or short circuit.

2. Contact failure at connector or open circuit at terminal crimping location (short-circuit detection only for the humidity sensor)

3. Indoor/outdoor PCboard failure.

Indication on Indoor unit

Alarm Code = F02

LED Clean (3) = OFF

Timer (2) = Blinking

Operation (1) = OFF

Error Code = S02

Diagnosis Contents = Indoor heat exchanger sensor failure

Possible Malfunction = 1. Sensor open circuit or short circuit.

2. Contact failure at connector or open circuit at terminal crimping location (short-circuit detection only for the humidity sensor)

3. Indoor/outdoor PCboard failure.

Indication on Indoor unit

Alarm Code = F13

LED Clean (3) = OFF

Timer (2) = Blinking

Operation (1) = Blinking

Error Code = S03

Diagnosis Contents = Humidity sensor failure

Possible Malfunction = 1. Sensor open circuit or short circuit.

2. Contact failure at connector or open circuit at terminal crimping location (short-circuit detection only for the humidity sensor)

3. Indoor/outdoor PCboard failure

Indication on Indoor unit

Alarm Code = F04/F12

LED Clean (3) = Blinking

Timer (2) = OFF

Operation (1) = OFF

Error Code = S04

Diagnosis Contents = Compressor temperature sensor failure

Possible Malfunction = 1. Sensor open circuit or short circuit.

2. Contact failure at connector or open circuit at terminal crimping location.

3. Outdoor PCboard failure.

Indication on Indoor unit

Alarm Code = F09/F15 to F18

LED Clean (3) = Blinking 

Timer (2) = OFF

Operation (1) = Blinking

Error Code = S05

Diagnosis Contents = Outdoor heat exchanger sensor failure

Possible Malfunction = 1. Sensor open circuit or short circuit.

2. Contact failure at connector or open circuit at terminal crimping location.

3. Outdoor PCboard failure.

Indication on Indoor unit

Alarm Code = F08/F21 to F24

LED Clean (3) = Blinking

Timer (2) = Blinking

Operation (1) = OFF

Error Code = S06

Diagnosis Contents = Outdoor air temperature sensor failure

Possible Malfunction = 1. Sensor open circuit or short circuit.

2. Contact failure at connector or open circuit at terminal crimping location.

3. Outdoor PCboard failure.

Indication on Indoor unit

Alarm Code = F27

LED Clean (3) = Blinking

Timer (2) = Blinking

Operation (1) = Blinking

Error Code = S07

Diagnosis Contents = Outdoor electric current detection failure

Possible Malfunction = Outdoor PCboard failure

Indication on Indoor unit

Alarm Code = E05

LED Clean (3) = OFF

Timer (2) = OFF

Operation (1) = ON

Error Code = E01

Diagnosis Contents = Indoor/outdoor communications failure (serial communication)

Possible Malfunction = 1. Mis-wiring

2. AC power failure

3. Blown fuse

4. Power Relay failure

5. Indoor or outdoor PCboard failure

6. Outdoor Fan Motor failure

7. Reactor failure

8. High-pressure switch failure

9. Overload relay failure

10. Magnetic Coil failure

Indication on Indoor unit

Alarm Code = P26

LED Clean (3) = OFF

Timer (2) = ON

Operation (1) = OFF

Error Code = E02

Diagnosis Contents = HIC circuit failure or Power Tr (transistor) circuit failure

Possible Malfunction = 1. HIC or power Tr failure

2. Outdoor fan does not turn

3. Instantaneous power outage

4. Service valve not opened

5. Outdoor fan blocked

6. Continuous overload operation

7. Compressor failure

8. Outdoor PCboard failure

Indication on Indoor unit

Alarm Code = F31

LED Clean (3) = 0FF

Timer (2) = ON

Operation (1) = ON

Error Code = E03

Diagnosis Contents = Outdoor unit external ROM (OTP data) failure

Possible Malfunction = External Rom data failure or PCboard failure

Indication on Indoor unit

Alarm Code = P16

LED Clean (3) = ON

Timer (2) = OFF

Operation (1) = OFF

Error Code = E04 

Diagnosis Contents = Peak current cut-off

Possible Malfunction = 1. Instantaneous power outage

2. HIC or power transistor failure

3. Outdoor PCboard failure

Indication on Indoor unit

Alarm Code = P07

LED Clean (3) = ON

Timer (2) = OFF

Operation (1) = ON

Error Code = E05

Diagnosis Contents = PAM circuit failure, Active circuit failure

Possible Malfunction = 1. Outdoor PCboard failure

2. Outdoor power supply voltage failure

Indication on Indoor unit

Alarm Code = P01

LED Clean (3) = ON

Timer (2) = ON

Operation (1) = ON

Error Code = E07

Diagnosis Contents = Indoor fan operating failure

Possible Malfunction = 1. Fan motor failure 

2. Contact failure at connector

3. Indoor PCboard failure

Indication on Indoor unit

Alarm Code = P19

LED Clean (3) = Blinking

Timer (2) = Blinking

Operation (1) = ON

Error Code = E08

Diagnosis Contents = 4-way valve switching failure, Indoor zero-cross failure

Possible Malfunction = 1. 4-way valve failure (heat pump model only)

2. Outdoor PCboard failure

Indication on Indoor unit

Alarm Code = P15

LED Clean (3) = Blinking

Timer (2) = ON

Operation (1) = Blinking

Error Code = E09

Diagnosis Contents = No-refrigerant protection

Possible Malfunction = 1. Service valve not opened

2. Shortageof refrigerant

Indication on Indoor unit

Alarm Code = P29

LED Clean (3) = Blinking

Timer (2) = ON

Operation (1) = ON

Error Code = E10

Diagnosis Contents = DC compressor drive circuit failure

Possible Malfunction = 1. Open phase

2. Outdoor PCboard failure

Indication on Indoor unit

Alarm Code = P22

LED Clean (3) = ON

Timer (2) = Blinking

Operation (1) = Blinking

Error Code = E11

Diagnosis Contents = Outdoor fan operating failure

Possible Malfunction = 1. Fan motor failure

2. Contact failure at connector

3. Outdoor PCboard failure

Indication on Indoor unit

Alarm Code = E07/P04/P05/P20/P27

LED Clean (3) = ON

Timer (2) = Blinking

Operation (1) = ON

Error Code = E12

Diagnosis Contents = Outdoor system communications failure, OLR operation, Outdoor power supply open phase and Outdoor coil freezing

Possible Malfunction = 1. Mis-wiring

2. Blown fuse

3. Powe Relay failure

4. Outdoor PCboard failure

5. Compressor failure

Indication on Indoor unit

Alarm Code = P11

LED Clean (3) = ON

Timer (2) = ON

Operation (1) = Blinking

Error Code = E13

Diagnosis Contents = Freeze-prevention activated

Possible Malfunction = 1. Indoor fan system failure

2. Shortage of refrigerant

3. Low temperature operation

Technical and Service manual please download <a href="http://us.sanyo.com/dynamic/product/Downloads/30.36KHS82%20Technical%20Service%20Manual-22308430.pdf">here</a>

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Sanyo KS0971 KS1271 Error Code

Since the indications cover various units, the corresponding parts listed below may not be present in some models.

A = OFF B = Blinking C = ON (Illuminated)

Indication on indoor unit 

Qutlet (3)  = A

Timer (2)  = A

Operation (1)  = B

Code   = S01

Diagnotice item  = Room temperature sensor failure

Diagnotics contents 

(1) Sensor open circuit or short circuit

(2) Contact failure at connector or open circuit at terminal crimping location

(short-circuit detection only for the humidity sensor)

(3) Indoor/outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = A

Timer (2)  = B

Operation (1)  = A

Code   = S02

Diagnotice item  = Indoor heat exchanger sensor failure

Diagnotics contents 

(1) Sensor open circuit or short circuit

(2) Contact failure at connector or open circuit at terminal crimping location

(short-circuit detection only for the humidity sensor)

(3) Indoor/outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = A

Timer (2)  = B

Operation (1)  = B

Code   = S03

Diagnotice item  = Humidity sensor failure

Diagnotics contents 

(1) Sensor open circuit or short circuit

(2) Contact failure at connector or open circuit at terminal crimping location

(short-circuit detection only for the humidity sensor)

(3) Indoor/outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = B

Timer (2)  = A

Operation (1)  = A

Code   = S04

Diagnotice item  = Compressor temperature sensor failure

Diagnotics contents 

(1) Sensor open circuit or short circuit

(2) Contact failure at connector or open circuit at terminal crimping location

(3) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = B

Timer (2)  = A

Operation (1)  = B

Code   = S05

Diagnotice item  = Outdoor heat exchanger sensor failure

Diagnotics contents 

(1) Sensor open circuit or short circuit

(2) Contact failure at connector or open circuit at terminal crimping location

(3) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = B

Timer (2)  = B

Operation (1)  = A

Code   = S06

Diagnotice item  = Outdoor air temperature sensor failure

Diagnotics contents 

(1) Sensor open circuit or short circuit

(2) Contact failure at connector or open circuit at terminal crimping location

(3) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = B

Timer (2)  = B

Operation (1)  = B

Code   = S07

Diagnotice item  = Outdoor electrical current detection failure

Diagnotics contents = Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = A

Timer (2)  = A

Operation (1)  = C

Code   = E01

Diagnotice item  = Indoor/outdoor communications failure (serial communications)

Diagnotics contents 

(1) Mis-wiring (2) AC power failure (3) Blown fuse (4) Power relay failure

(5) Indoor or outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = A

Timer (2)  = C

Operation (1)  = A

Code   = E02

Diagnotice item  = • HIC circuit failure • Power Tr (transistor) circuit failure

Diagnotics contents 

(1) HIC or power Tr failure (2) Outdoor fan does not turn. (3) Instantaneous power outage

(4) Service valve not opened. (5) Outdoor fan blocked. (6) Continuous overload operation

(7) Compressor failure (8) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = A

Timer (2)  = C

Operation (1)  = C

Code   = E03

Diagnotice item  = Outdoor unit external ROM (OTP data) failure

Diagnotics contents = (1) External ROM data failure (2) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = C

Timer (2)  = A

Operation (1)  = A

Code   = E04

Diagnotice item  = Peak current cut-off

Diagnotics contents 

(1) Instantaneous power outage (2) HIC or power transistor failure

(3) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = C

Timer (2)  = A

Operation (1)  = C

Code   = E05

Diagnotice item  = .PAM circuit failure .Active circuit failure

Diagnotics contents 

(1) Outdoor circuit board failure (2) Outdoor power supply voltage failure

Indication on indoor unit 

Qutlet (3)  = C

Timer (2)  = C

Operation (1)  = A

Code   = E06

Diagnotice item  = Compressor discharge overheat prevention activated.

Diagnotics contents 

(1) Electric expansion valve failure (2) Capillaries choked (3) Shortage of refrigerant

(4) Continuous overload operation (5) Outdoor fan does not rotate (6) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = C

Timer (2)  = C

Operation (1)  = C

Code   = E07

Diagnotice item  = Indoor fan operating failure

Diagnotics contents = (1) Fan motor failure (2) Contact failure at connector (3) Indoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = B

Timer (2)  = B

Operation (1)  = C

Code   = E08

Diagnotice item  = -4-way valve switching failure -Indoor zero-cross failure

Diagnotics contents 

(1) 4-way valve failure (heat pump model only)

(2) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = B

Timer (2)  = C

Operation (1)  = B

Code   = E09

Diagnotice item  = No-refrigerant protection

Diagnotics contents 

(1) Service valve not opened. (2) Shortage of refrigerant

Indication on indoor unit 

Qutlet (3)  = B

Timer (2)  = C 

Operation (1)  = C

Code   = E10

Diagnotice item  = DC compressor drive circuit failure

Diagnotics contents = (1) Open phase (2) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = C

Timer (2)  = B 

Operation (1)  = B

Code   = E11

Diagnotice item  = Outdoor fan operating failure

Diagnotics contents = (1) Fan motor failure (2) Contact failure at connector (3) Outdoor circuit board failure

Indication on indoor unit 

Qutlet (3)  = C

Timer (2)  = B

Operation (1)  = C

Code   = E12

Diagnotice item  

Outdoor system communications failure.

Outdoor high-pressure SW.

OLR operation.

Outdoor power supply open phase.

Outdoor coil freezing.

Diagnotics contents 

(1) Mis-wiring (2) Blown fuse (3) Power relay failure (4) Open phase

(5) Outdoor circuit board failure (6) Compressor failure

Indication on indoor unit 

Qutlet (3)  = C

Timer (2)  = C 

Operation (1)  = B

Code   = E13

Diagnotice item  = Freeze-prevention operation activated

Diagnotics contents 

(1) Indoor fan system failure (2) Shortage of refrigerant (3) Low-temperature operation

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