Monday, July 11, 2011

Fault Codes RAV-SM / RAV-SP

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Fault codes are displayed directly on wired remote controller – to access the service history:
Press CHECK and SET for 4 seconds
Scroll through stored codes using the TEMP set buttons
Press CHECK to cancel service history
Press CLEAR to delete codes
Up to 4 Codes can be stored

Code - Description
E01 Controller (local or network) receives no communication from a master indoor unit- could include that master is
turned off. Also check that there is a master controller
E02 Local controller failure (unable to transmit)
E03 Master indoor unit receives no data to A-B. Often appears as an E01 fault code
E04 Indoor unit (except twin slave) receives no communication from outdoor unit; can include klixon on 560 Digital
Inverter split system – checked by measuring 280VDC across outdoor unit capacitors
E08 Duplicated indoor address
E09 2 local controller on a group – both configured as masters
E10 Indoor PCB failure
E18 Communication failure between master indoor unit and slave
F01 Indoor TCJ sensor error
F02 Indoor TC2 sensor error
F04 TD1 sensor error
F06 TE1 sensor error
F08 TO sensor error
F10 Indoor TA sensor error
F29 Indoor PCB failure
H01 Inverter compressor over current detected
H02 Master outdoor unit over current detected shortly after start up
H03 Current detected on master outdoor unit whilst idle
H06 Low pressure detected by Ps sensor (0.02Mpa)
L03 Duplicated master indoor units in a group
L07 Indoor in a group previously addressed as a single unit – check addressing
L08 Indoor address not set
L09 Indoor unit capacity not set
L29 IPDU error (number of detected IPDU units is reduced)
L30 Input on CN80 circuit for 1 minute
L31 Outdoor PCB error
P01 Indoor fan motor error
P03 High discharge temperature (TD1 exceeded 115°C)
P04 High pressure switch activated (Detected by high TE temp on Digital Inverter)
P07 Heat sink overheat
P10 Float switch activated
P12 Indoor fan motor error – detected by feedback circuit
P19 Wrong change in temperature (4 way valve error)
P22 Outdoor fan IPDU error
P26 Giant Transistor short circuit
P29 Compressor error detected by feedback circuit
P31 Indoor PCB error

Error by TCC-Link central controller
Code Description
C05 Sending error in TCC-Link central control device
C06 Receiving error in TCC-Link central control device
C12 Batch alarm for general purpose equipment control interface
P30 Group control follower unit error/duplicated central control addresses
Read More ->>

Fault Codes – 2 Pipe Modular Multi

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Do Not turn off the power supply before reading the fault codes, doing so will clear the diagnostic memory. Caution
must be taken when removing the access covers, as high voltages are present.
Fault diagnosis is available at three locations within the Air Conditioning system. :-
1. Remote Controller - press the check button (if installed)
2. Central Controller – press the check button (if installed)
3. Outdoor Unit – Inv & Fix switch positions 1 - 1 - 1

Code = 04
PCB = IFACE
Area = IFACE to INV
Condition = Communication failure
Criteria =

Code = 08
PCB = IN
Area = TC1 and TC2 coil sensors
Condition = Indoor heat exchange changes temperature but in wrong direction
Criteria =

Code = 0C
PCB = IN
Area = TA air temperature sensor
Condition = OC/SC
Criteria =

Code = 0b
PCB = IN
Area = Float switch circuit
Condition = OC
Criteria =

Code = 11
PCB = IN
Area = Fan motor
Condition = Short circuit
Criteria =

Code = 12
PCB = IN
Area = PCB
Condition = EEPROM failure
Criteria =

Code = 14
PCB = INV
Area = DC current sensor
Condition = INV compressor or transistor SC. Sensor OC
Criteria =

Code = 17
PCB = INV
Area = DC current sensor
Condition = INV compressor current detected during off cycle.
Criteria =

Code = 18
PCB = IFACE
Area = TE1 defrost sensor
Condition = OC/SC
Criteria =

Code = 1C
PCB = IFACE
Area = PCB
Condition = EEPROM failure
Criteria =

Code = 1d
PCB = INV
Area = DC current sensor
Condition = INV compressor overload
Criteria = > 1.5 times full load current

Code = 1F
PCB = INV
Area = DC current sensor
Condition = Excessive current detected after current release
Criteria =

Code = 21
PCB = INV
Area = INV Compressor
Condition = HP switch or klixon
Criteria = > 363 psig – 25 Bar

Code = 22
PCB = IFACE
Area = Pd sensor
Condition = Excessive pressure
Criteria = > 406 psig – 28 Bar

Code = 87
PCB = IFACE
Area = Input Phase
Condition = Missing phase
Criteria =

Code = 89
PCB = IFACE
Area = IN capacity settings
Condition = Too high
Criteria = > 135% outdoor unit

Code = 8d
PCB = IFACE
Area = Outdoor units - number of
Condition = Has fallen since last set up
Criteria =

Code = 8E
PCB = IFACE
Area = Outdoor units - number of
Condition = Is too high
Criteria = > 5

Code = 8F
PCB = FIX unit address
Area = Duplicated
Condition = When manually set
Criteria =

Code = 93
PCB = IN
Area = TC1 gas sensor
Condition = OC/SC
Criteria =

Code = 94
PCB = IN
Area = TC2 liquid sensor
Condition = OC/SC
Criteria =

Code = 95
PCB = IFACE
Area = PQ
Condition = Communication failure
Criteria = No INV outdoor unit

Code = 96
PCB = IFACE
Area = IN units - number of
Condition = Too many
Criteria = > 40

Code = 97
PCB = Central
Area = XY
Condition = Communication failure
Criteria =

Code = 98
PCB = Central
Area = XY
Condition = Duplicated addresses
Criteria =

Code = 99
PCB = Remote
Area = ABC
Condition = Communication failure
Criteria =

Code = 9A
PCB = IN
Area = TC1 gas sensor
Condition = Unauthorized temperature change
Criteria = Changed by > 5ºC after 15 minutes operation

Code = 9F
PCB = IN
Area = TC1 gas sensor and TC2 liquid sensor
Condition = Insufficient performance
Criteria = Changed by < 5ºC after 60 minutes operation

Code = A0
PCB = IFACE
Area = TD1 discharge sensor
Condition = OC/SC
Criteria =

Code = A1
PCB = IFACE
Area = TD2 discharge sensor
Condition = OC/SC
Criteria =

Code = A2
PCB = IFACE
Area = TS1 suction sensor
Condition = OC/SC
Criteria =

Code = A6
PCB = IFACE
Area = TD1 discharge sensor
Condition = High discharge temperature
Criteria = > 130ºC 3 times

Code = A7
PCB = IFACE
Area = TS1 suction sensor
Condition = High suction temperature
Criteria = > 60ºC for 10 minutes, 3 times

Code = AA
PCB = IFACE
Area = Pd pressure sensor
Condition = OC
Criteria =

Code = Ab
PCB = IFACE
Area = Pd and Ps pressure sensors
Condition = OC or crossed
Criteria =

Code = AE
PCB = IFACE
Area = TD1 discharge sensor
Condition = High discharge temperature (low load condition)
Criteria = > 110ºC, 3 times

Code = AF
PCB = IFACE
Area = Phase rotation
Condition = Incorrect
Criteria =

Code = b4
PCB = IFACE
Area = Ps sensor
Condition = Suction pressure too high during operation
Criteria = OC or < 138 psig – 9.5 Bar

Code = b5
PCB = IN
Area = CN17
Condition = Indoor unit emergency circuit
Criteria = Resistive connection

Code = b6
PCB = IN
Area = CN17
Condition = Indoor unit emergency circuit
Criteria = SC

Code = b7
PCB = Central
Area = Fault in connected group
Condition = Check local controller
Criteria =

Code = b9
PCB = IN
Area = Pressure sensor
Condition = OC
Criteria =

Code = bb
PCB = IFACE
Area = TD2 discharge sensor
Condition = High discharge temperature
Criteria = > 130ºC 3 times

Code = bd
PCB = IFACE
Area = TD2, Ps, Pd
Condition = FIX compressor contactor fault
Criteria = Operation detected during off cycle

Code = bE
PCB = IFACE
Area = Ps sensor
Condition = Low pressure
Criteria = < 3 psig – 0.21 Bar

Code = cF
PCB = IN
Area = Main and relay PCBs
Condition = Communication failure
Criteria =

Code = d1
PCB = IFACE
Area = INV outdoor unit
Condition = Duplicated within a system
Criteria =

Code = d2
PCB = IFACE
Area = FIX unit fault
Condition = Press SW04 for several seconds
Criteria = Fan of outdoor unit runs

Code =d3
PCB = IFACE
Area = TH inverter overheat sensor
Condition = OC/SC
Criteria =

Code = d4
PCB = IFACE
Area = TK1 oil level sensor primary side
Condition = OC/SC
Criteria =

Code = d5
PCB = IFACE
Area = TK2 oil level sensor secondary side
Condition = OC/SC
Criteria =

Code = d6
PCB = IFACE
Area = TK3 oil level sensor
Condition = OC/SC
Criteria =

Code = d7
PCB = IFACE
Area = TK1, 2, 3
Condition = Oil level low
Criteria = > 2 hours

Code = d8
PCB = IFACE
Area = TK1 oil level sensor primary side
Condition = No oil flow detected
Criteria = No temp change during oil level management

Code = d9
PCB = IFACE
Area = TK2 oil level sensor secondary side
Condition = No oil flow detected
Criteria = No temp change during oil level management

Code = dA
PCB = INV
Area = IGBT overheating
Condition =
Criteria =

Code = db
PCB = IFACE
Area = TK1 and TK2
Condition = No oil flow detected
Criteria = No temp change during oil level management

Code = dC
PCB = IFACE
Area = TK1
Condition = High oil temperature
Criteria = > 50ºC

Code = dd
PCB = IFACE
Area = FIX outdoor unit
Condition = Operation detected during off cycle
Criteria =

Code = dE
PCB = IFACE
Area = IN unit
Condition = Automatic addressing failure
Criteria =

Code = dF
PCB = IFACE
Area = Outdoor unit
Condition = Automatic addressing failure
Criteria =

Code = E1
PCB = IFACE
Area = FIX compressor 1
Condition = HP switch, klixon or overload relay
Criteria = Pd is > 363 psig – 25 Bar

Code = E5
PCB = IFACE
Area = INV compressor
Condition = HP switch or klixon
Criteria = Pd is > 363 psig – 25 Bar

Code = E6
PCB = IFACE
Area = FIX compressor 1
Condition = HP switch, klixon or overload relay
Criteria = Pd is > 363 psig – 25 Bar

Code = Eb
PCB = IFACE
Area = b6 code received from IN unit
Condition =
Criteria =

Code = F0
PCB = IFACE
Area = FIX compressor 2
Condition = HP switch, klixon or overload relay
Criteria = Pd is > 363 psig– 25 Bar

Code = F1
PCB = IFACE
Area = FIX compressor 2
Condition = HP switch, klixon or overload relay
Criteria = Pd is > 363 psig– 25 Bar
Read More ->>

Fault Codes – 3 Pipe SMI

0 komentar
Do Not turn off the power supply before reading the fault codes, doing so will clear the diagnostic memory. Caution
must be taken when removing the access covers, as high voltages are present.
Fault diagnosis is available at three locations within the Air Conditioning system. :
1. Remote Controller - press the check button
2. Multi Controller - rotate the display switch to position 1
3. Outdoor Unit - see following chart


Click on picture to enlarge
Read More ->>

Fault Codes – 3 Pipe Super Multi

0 komentar
Do Not turn off the power supply before reading the fault codes, doing so will clear the diagnostic memory. Caution
must be taken when removing the access covers, as high voltages are present.
Fault diagnosis is available at three locations within the Air Conditioning system. :
1. Remote Controller - press the check button
2. Multi Controller - rotate the display switch to position 1
3. Outdoor Unit - see following chart


Click on picture to enlarge
Read More ->>

Fault Codes – 2 Pipe Super Multi

0 komentar
Do Not turn off the power supply before reading the fault codes, doing so will clear the diagnostic memory.
Caution must be taken when removing the access covers, as high voltages are present.
Fault diagnosis is available at three locations within the Air Conditioning system. :-
1. Remote Controller - press the check button
2. Multi Controller - rotate the display switch to position 1
3. Outdoor Unit - see following chart


Click on picture to enlarge
Read More ->>

Thursday, July 7, 2011

Fault Codes – Toshiba RAS “N” Series

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Fault Codes – RAS “N” Series
Do Not turn off the power supply before reading the fault codes, doing so will clear the diagnostic memory. Caution
must be taken when removing the access covers as high voltages are present.
Fault codes are displayed through the LEDs flashing at 5 times per second. Note, the green LED will flash once per second when the system is initially powered.
More specific codes may be obtained, while in the fault mode through the wireless controller
1. Press CHK to enter service mode
2. Navigate through TIMER ƒ buttons until all LEDs flash, accompanied by the internal buzzer – compare the displayed code with the table below
3. Press CLR button to clear the existing fault code (controller displays 7F)
Press ON/OFF button to exit service mode.

Initial code/display = 01
Code = 0C
Description = TA sensor open or short circuit

Initial code/display = 01
Code = 0d
Description = TC sensor open or short circuit

Initial code/display = 01
Code = 11
Description = Indoor fan motor problem

Initial code/display = 01
Code = 12
Description = Indoor PCB problem

Initial code/display = 01
Code = 04
Description = Indoor to outdoor communication (includes compressor thermostat)

Initial code/display = 01
Code = 05
Description = Indoor to outdoor communication

Initial code/display = 02
Code = 14
Description = Inverter low voltage or short circuit protection

Initial code/display = 02
Code = 16
Description = Compressor position circuit

Initial code/display = 02
Code = 17
Description = Compressor current detected during off-cycle

Initial code/display = 02
Code = 18
Description = TE or TS sensor open or short circuit

Initial code/display = 02
Code = 19
Description = Td sensor open or short circuit

Initial code/display = 02
Code = 1A
Description = Outdoor fan motor problem

Initial code/display = 02
Code = 1b
Description = TE sensor fault

Initial code/display = 02
Code = 1C
Description = Compressor drive circuit

Initial code/display = 03
Code = 07
Description = Indoor to outdoor communication (includes compressor thermostat)

Initial code/display = 03
Code = 08
Description = Indoor heat exchanger changes temperature – but in wrong direction

Initial code/display = 03
Code = 1d
Description = Compressor locked rotor current protection

Initial code/display = 03
Code = 1E
Description = Compressor - high discharge temperature

Initial code/display = 03
Code = 1F
Description = Compressor current remains too high – after current release
Read More ->>

Fault Codes - Toshiba Ras Series

0 komentar
Do Not turn off the power supply before reading the fault codes, doing so will clear the diagnostic memory. Caution
must be taken when removing the access covers as high voltages are present.
Fault diagnosis is available by pressing the check button on the rear of the remote controller.
Note: Fault diagnosis for these systems is only possible when using infrared remote controller type WC-C2YE
or WH-C2YE (which may be ordered under part number 43069666)

Code = 00
Indoor P.C. Board Fault
Code = 0C
Fault = TA Sensor open circuit
System Status = No cooling operation (Heating operation continuously – heat pumps)
Check = Sensor Resistance 20°C = 12.5kW, 25°C = 10kW

Code = 00
Indoor P.C. Board Fault
Code = 0C
Fault = TA Sensor Short circuit
System Status = No heating operation – heat pumps (Cooling operation continuously)
Check = Sensor Resistance 20°C = 12.5kW, 25°C = 10kW

Code = 00
Indoor P.C. Board Fault
Code = 0d
Fault = TC sensor open circuit
System Status = No cooling operation (Heating operation continuously – heat pumps)
Check = Sensor Resistance 20°C = 12.5kW, 25°C = 10kW

Code = 00
Indoor P.C. Board Fault
Code = 0d
Fault = TC Sensor short circuit
System Status = No heating operation – heat pumps (Cooling operation continuously)
Check = Sensor Resistance 20°C = 12.5kW, 25°C = 10kW

Code = 00
Indoor P.C. Board Fault
Code = 11
Fault = Fan Motor
System Status = System Stop
Check = Seized motor Thermal fuse open circuit

Code = 00
Indoor P.C. Board Fault
Code = 12
Fault = PCB Fault
System Status = System Stop
Check = Replace PCB

Code = 00
Indoor P.C. Board Fault
Code = 21
Fault = IOL Operation
System Status = System Stop
Check =

Code = 00
Indoor P.C. Board Fault
Code = 13
Fault = TC Temp
System Status = Operation Continues
Check = Check TC Sensor

Code = 01
Inter. Cable
Code = 04
Fault = Inter. Cable
System Status = System Stop
Check = Cable / CT termination and thermal fuse

Code = 01
Inter. Cable
Code = 05
Fault = Inter Cable
System Status = Operation Continues
Check = No Communication to the outdoor unit

Code = 02
Outdoor PCB
Code = 18
Fault = TE Sensor Open/Closed Circuit
System Status = System Stop
Check = Check outdoor TE sensor

Code = 02
Outdoor PCB
Code = 19
Fault = TD Sensor Open / Closed circuit
System Status = System Stop
Check = Check outdoor TD sensor

Code = 03
Other Parts
Code = 07
Fault = Instantaneous power failure Compressor thermo
System Status = Operation Continues
Check = Check Compressor thermo. Check Ref. charge Indoor PCB

Code = 03
Other Parts
Code = 1E
Fault = TD > 120°C
System Status = System Stop
Check = Check TD Sensor Check Ref. Charge

Code = 03
Other Parts
Code = 09
Fault = No change in temp. Of indoor unit
System Status = Indoor unit operates
Check = Compressor running not pumping / klixon tripped. For cross wiring

Code = 03

Code =
Fault = Frost Condition
System Status = Indoor fan low speed, no outdoor unit operation
Check = Gas charge / pipe blockage. Indoor air flow TC Sensor Cross wiring

Code = 03
Other Parts
Code = 1d
Fault = Compressor
System Status = System Stop
Check = Compressor windings. Current consumption.

The LEDs on the indoor unit will also flash depending on the type of fault :

Operation display flashing at 1Hz Restoration of power after a power cut (N/A)
Operation display flashing at 5Hz TA Sensor fault (0C)
Operation display flashing at 5Hz TC Sensor fault (0d)
Operation display flashing at 5Hz Fan motor fault (11)
Operation display flashing at 5Hz PCB fault (12)
Operation and timer display flashing at 5Hz Interconnecting cable (04)
Operation, timer and pre-heat display flashing at 5Hz No temp change or frost condition (09)
Operation, timer and pre-heat display flashing at 5Hz Compressor (1d)
Read More ->>
 

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