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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