Sanyo Split System Heat Pump Air Conditioner Error Codes



KHS3082 + CH3082
KHS3682 + CH3682

SANYO Air Conditioners Fault Codes

GHP ENGINE ISSUES

Code Description

A CODES

A01 GHP – Engine oil pressure fault
A02 GHP – Engine oil level fault
A03 GHP – Engine over speed
A04 GHP – Engine under speed
A05 GHP – Ignition power supply failure
A06 GHP – Engine start up failure
A07 GHP – Fuel gas valve failure
A08 GHP – Engine stalled
A09 GHP – Engine overload
A10 GHP – High exaust gas temp
A11 GHP – Engine oil level failure
A12 GHP – Throttle actuator fault
A13 GHP – Fuel gas valve adjustment failure
A14 GHP – Engine oil pressure sensor fault
A15 GHP – Starter power output short circuit
A16 GHP – Starter motor locked
A17 GHP – Starter current (CT) coil failed
A19 GHP – Wax Valve (3 Way) fault
A20 GHP – Cooling water temp high
A21 GHP – Cooling water level fault
A22 GHP – Cooling water pump fault
A23 GHP – Engine crank angle sensor failure
A24 GHP – Engine cam angle sensor failure
A25 GHP – Clutch fault
A26 GHP – Misfire
A27 GHP – Catalyst temperature fault
A28 GHP – Generator fault
A29 GHP – Converter fault

A30 GHP – Fuel gas pressure low

CENTRAL CONTROLLER ISSUES

C CODES

C01 Duplicated setting of control address
C02 Central control number of units mis-matched
C03 Incorrect wiring of central control
C04 Incorrect connection of central control
C05 System Controller fault, error in transmiting comms signal, i/door or o/door unit not working, wiring fault
C06 System Controller fault, error in receiving comms signal, i/door or o/door unit not working, wiring fault, CN1 not connected correctly
C12 Batch alarm by local controller
C16 Transmission error from adaptor to unit
C17 Reception error to adaptor from unit
C18 Duplicate central address in adaptor
C19 Duplicate adaptor address
C20 Mix of PAC & GHP type units on adaptor
C21 Memory fault in adaptor
C22 Incorrect address setting in adaptor
C23 Host terminal software failure
C24 Host terminal hardware failure
C25 Host terminal processing failure
C26 Host terminal comunication failure
C28 Reception error of S-DDC from host terminal
C29 Initialization failure of S-DDC

C31 Configuration change detected by adaptor

DDRESSING & COMMUNICATION PROBLEMS

E CODES

E01 Remote control detecting error from indoor unit, Address not set/Auto address failed. Check interconnecting wiring etc. Re-address system.
E02 Remote detecting error from indoor unit,
E03 Indoor unit detecting error from remote,
E04 Indoor seeing error from outdoor. Qty of i/d units connected are less than qty set. Check; all i/d units are ON, reset turn off all units wait 5min power up
E05 Indoor unit detecting error from outdoor unit, Error in sending comms signal
E06 Outdoor unit detecting error from indoor unit, Error in receiving comms signal
E07 Outdoor unit detecting error from indoor unit, Error in sending comms signal
E08 Incorrect setting indoor/controller, Indoor address duplicated
E09 Incorrect setting indoor/controller, Remote address duplicated or IR wireless controller not disabled
E10 Indoor unit detecting error from ‘option’ plug, Error in sending comms signal
E11 Indoor unit detecting error from ‘option’ plug, Error in receiving comms signal
E12 Auto addressing failed, Auto address connector CN100 shorted during auto addressing
E13 Indoor unit failed to send signal to remote controller
E14 Setting Failure, Duplication of master indoor units
E15 Auto addressing failed, Number of indoor units connected are less than number set
E16 Auto addressing failed, Number of indoor units connected are more than number set
E17 Group control wiring error, Main indoor unit not sending signal for sub indoor units
E18 Group control wiring error, Main indoor unit not receiving signal for sub indoor units
E20 Auto addressing failed, No indoor units connected
E24 Auto addressing failed, Error on sub outdoor unit
E25 Auto addressing failed, Error on outdoor unit address setting
E26 Auto addressing failed, Quantity of main and sub outdoor units do not correspond to the number set on main outdoor unit P.C.B.
E29 Auto addressing failed, Sub outdoor unit not receiving comms for main outdoor unit
E31 Between units, Comms failure with MDC, does E31 remain after power is re instated? If so replace PCB. & power PCB

SENSOR FAULTS

F  CODES

F01 Indoor Heat Exch inlet temp sensor failure (E1)
F02 Indoor Heat Exch freeze temp sensor failure (E2)
F03 Indoor Heat Exch outlet temp sensor failure (E3)
F04 Outdoor Discharge temp sensor failure (TD) or (DISCH1)
F05 Outdoor Discharge temp sensor failure (DISCH2)
F06 Outdoor Heat Exch temp sensor failure (C1) or (EXG1)
F07 Outdoor Heat Exch temp sensor failure (C2) or (EXL1)
F08 Outdoor Air temp sensor failure (TO)
F10 Indoor inlet temp sensor failure
F11 Indoor outlet temp sensor failure
F12 Outdoor Intake sensor failure (TS)
F13 GHP – Cooling water temperature sensor failure
F16 Outdoor High pressure sensor failure
F17 GHP – Cooling water temperature sensor fault
F18 GHP – Exhaust gas temperature sensor fault
F20 GHP Clutch coil temperature fault
F23 Outdoor Heat Exch temp sensor failure (EXG2)
F24 Outdoor Heat Exch temp sensor failure (EXL2)
F29 Indoor EEPROM error
F30 Clock Function (RTC) fault

F31 Outdoor EEPROM error

COMPRESSOR ISSUES

CODES


H01 Compressor Fault, Over current (Comp1)
H02 Compressor Fault, Locked rota current detected (Comp1)
H03 Compressor Fault, No current detected (Comp1)
H05 Compressor Fault, Discharge temp not detected (Comp1)
H06 Compressor Fault, Low Pressure trip
H07 Compressor Fault, Low oil level
H08 Compressor Fault, Oil sensor Fault (Comp1)
H11 Compressor Fault, Over current (Comp2)
H12 Compressor Fault, Locked rota current detected (Comp2)
H13 Compressor Fault, No current detected (Comp2)
H15 Compressor Fault, Discharge temp not detected (Comp2)
H27 Compressor Fault, Oil sensor fault (Comp2)
H28 Compressor Fault. Oil sensor (connection failure)

H31 Compressor Fault. IPM trip (IMP current on temperature)


INCORRECT SETTINGS

L CODES

L01 Setting Error, Indoor unit group setting error
L02 Setting Error, Indoor/outdoor unit type/model miss-matched
L03 Duplication of main indoor unit address in group control
L04 Duplication of outdoor unit system address
L05 2 or more controllers have been set as ‘priority’ in one system – shown on controllers set as ‘priority’
L06 2 or more controllers have been set as ‘priority’ in one system – shown on controllers not set as ‘priority’
L07 Group wiring connected on and indvidual indoor unit
L08 Indoor unit address/group not set
L09 Indoor unit capacity code not set
L10 Outdoor unit capacity code not set
L11 Group contol wiring incorrect
L13 Indoor unit type setting error, capacity
L15 Indoor unit paring fault
L16 Water heat exch unit setting failure
L17 Miss-match of outdoor unit with different refrigerant
L18 4-way valve failure
L19 Water heat exch unit duplicated address





L21 Gas type setup failure

INDOOR UNIT PROBLEMS

P CODES 


P01 Indoor unit fault, Fan motor thermal overload
P02 Outdoor unit fault, Compressor motor thermal overload, over or under voltage
P03 Outdoor unit fault, Compressor discharge temperature too high (Comp1) over 111 deg C. Low on ref gas, exp valve, pipework damage.
P04 Outdoor unit fault, High pressure trip
P05 Outdoor unit fault, Open phase on power supply. Check power on each phase, inverter pcb, control pcb
P09 Indoor unit fault, Ceiling panel incorrectly wired
P10 Indoor unit fault, Condensate float switch opened
P11 GHP – Water Heat exch low temp (frost protection) fault
P12 Indoor unit fault, Fan DC motor fault
P14 Input from leak detector (If fitted)
P15 Refrigerant loss, high discharge temp and EEV wide open and low compressor current draw.
P16 Outdoor unit fault, Open phase on compressor power supply
P17 Outdoor unit fault, Compressor discharge temperature too high (Comp2) over 111 degC. Low on ref gas, exp valve, pipework damage.
P18 Outdoor unit fault, By-pass valve failure
P19 Outdoor unit fault, 4 way valve failure, i/door temp rises in cooling or fulls in heating. Check wiring, coil, pcb output,
valave operation.
P20 Ref gas, high temp/pressure fault, heat exch temp high C2, 55-60 degC, cooling over-load, sensor fault.
P22 Outdoor unit fan motor fault, fan blade jammed, check connections, does fan turn freely, motor resistance 30-40ohm on each pair, no fan fault, yes pcb fault.
P26 Outdoor unit fault, Compressor overcurrent – check winding resistance, Inverter failure – check internal resistance term HIC + & – to UVW 200-300Kohm or more
P29 Outdoor unit fault, Inverter circuit fault – Motor-current Detection Circuit (MDC) fault, check comp windings, sensors C1 & TS, if ok possible pcb failure.
P30 Indoor unit fault, System controller detected fault on sub indoor unit

P31 Simultaneous operation multi control fault, Group controller fault

Outdoor heat exchanger sensor failure

 

KHS3082 + CH3082
KHS3682 + CH3682

 

E01 serial comms error, mis-setting, RC is detecting error signal from IU, outdoor system address, indoor system address, or IU individual/main/sub setting it not set, auto address is not complete.

E02  serial comms error, mis-setting, RC is detecting error signal from IU, error in transmitting serial comm signal
E03   IU is detecting error signal from remote controller (and system controller)
E04   IU is detecting error signalled from OU, error in receiving serial comms signal
E05  IU is detecting error signalled from OU, error in transmitting serial comms signal
E06   OU is detecting error signalled from IU, error in receiving serial comms signal (inc unit qty verification failure)
E07   OU is detecting error signalled from IU, error in transmitting serial comms signal
E08  improper setting of IU or RC,IU address is duplicated
E09  improper setting of IU or RC, remote controller setting is duplicated
E10   IU is detecting error signalled from signal option, error in transmitting serial comms signal
E11  IU is detecting error signalled from signal option, error in receiving comms signal
E12  IU is detecting error signalled from signal option, because auto address setting is in process in a different system,
auto address is setting start is prohibited
E14   setting error, main unit duplication in simultaneous-operation multi control (detected by outdoor unit)
E15  automatic address setting failed, IU capacity too low
E16   automatic address setting failed, IU capacity too high
E17   an IU detected trouble in the signal from another IU, error in transmitting serial comms signal
E18   an IU detected trouble in the signal from another IU, error in receiving serial comms signal
E20  automatic address setting failed, no signal received from another IU
E24 Auto address error, Main OU is detecting error signal from sub OU
E25 Auto address error, of OU address setting
E26  Auto address error, the number of connected main and sub OU do not correspond to the number set at the main OU PCB
E29   auto address error, sub OU in receiving serial comm signal from main OU
F01  thermistor fault, indoor coil temp. sensor (E1)
F02   thermistor fault, indoor coil temp. sensor (E2)
F03 thermistor fault, indoor coil temp. sensor (E3)
F04  Outdoor thermistor open circuit, discharge TD1
F05   Outdoor thermistor open circuit, discharge TD2
F06  Outdoor thermistor open circuit, heat exchanger temperature C1
F07   Outdoor thermistor open circuit, heat exchanger temperature C2
F08  thermistor fault, outdoor air temp. sensor (air temp)
F10  thermistor fault, indoor suction air (room) temp sensor (TA)
F11   thermistor fault, indoor discharge air temp. sensor (BL)
F12  Outdoor thermistor open circuit, intake temperature TS
F16  thermistor fault, outdoor high pressure sensor
F17  thermistor fault, outdoor unit low pressure sensor
F22  thermistor fault, outdoor unit compressor 3 (constant speed) discharge temp sensor
F23  thermistor fault, outdoor No. 2 coil gas temp (EXG2)
F24  thermistor fault, outdoor No. 2 coil liquid temp. sensor (EXL2)
F25  thermistor fault, outdoor unit heat exchanger 3 gas temp. sensor
F26  thermistor fault, outdoor unit heat exchanger 3 liquid temp. sensor
F29  indoor EEPROM error
F31  outdoor EEPROM error
H01  AC1 compressor protection, overload current was detected
H02  AC1 compressor protection, lock current was detected
H03  AC1 compressor protection, no current was detected when the compressor was ON (CT1 circuit failure)
H05  the compressor discharge sensor has become disconnected (detected only for the AC1 compressor)
H06  low pressure switch activated on AC1, AC2 compressor
H07   protective device for compressor is activated, low oil level
H08  protective device for compressor is activated, compressor no. 1 oil sensor fault (disconnection, etc)
H11  AC2 compressor protection, overload current was detected
H12  AC2 compressor protection, lock current was detected
H13  AC2 compressor protection, no current was detected when the compressor was ON (CT2 circuit failure)
H15  the AC2 compressor discharge sensor has become disconnected
H21  outdoor protective device, overload current detected on compressor 3 (constant speed)
H22  outdoor protective device, lock current detected on compressor 3 (constant speed)
H23  outdoor protective device, no current detected when compressor 3 (constant speed) was on
H25  outdoor protective device, discharge temp. sensor trouble, Compressor 3 (constant speed)
H27   protective device for compressor is activated, compressor no. 2 oil sensor fault (disconnection, etc)
H28  connection failure of oil detection sensor, compressor no 3 (contestant speed)
H31  outdoor unit protection IPM trip (IPM current or temperature) HIC Alarm trouble
L02  mis-setting error, IU/OU type mismatch
L03  mis-setting error, main unit duplication in group control (detected by IU)
L04  mis-setting error, OU address duplication (system address)
L05  improper setting, there are 2 or more IU RC which have operation mode priority in refrigeration circuit,
priority set remote control
L06   improper setting, there are 2 or more IU RC which have operation mode priority in refrigeration circuit,
non-priority set remote control
L07   mis-setting error, group wiring connected for independent IU
L08   mis-setting error, IU address not set or group not set
L09   mis-setting error, IU capacity not set
L10  mis-setting error, OU capacity not set or setting error
L11   mis-setting error, miswiring in group control wiring
L13   mis-setting error, IU type setting error
L17  mis-match connection of outdoor units which have a different kind of refrigerant
L18 4-way valve operation failure
P01  indoor fan protective thermostat
P02  the AC compressor or AC1, AC2 compressor internal protection thermostat was activated:
or low voltage was detected
P03  discharge temperature trouble on outdoor
P04  High pressure sensor operation on AC, AC1 or AC2 compressor
P05  open phase detected, AC power trouble
P09  ceiling panel connection failure
P10   indoor float switch
P12  indoor fan overload (check for packaging on new cass install)
P16  compressor running failure resulting from missing phase in the compressor wiring etc
(start failure not caused by IPM or no GAS)
negative (defective) N phase
P17 incorrect discharge temperature (comp no 2)
P22  outdoor unit fan (missing phase in the HALL IC or other problem) causing the fan to lock
P26  overcurrent at time of compressor runs more than 80hz (DCCT secondary current or ACCT primary
current at a time other than when IPM has tripped)
P29  inverter for compressor is unusual (DC compressor does not operate)
P31  a flexible control error occurred

Sanyo Air Conditioning Fault Codes




One Response to Sanyo Split System Heat Pump Air Conditioner Error Codes

  1. John Dang says:

    after I change batteries, my ductless heat pump remote control cannot communicate, only shows E8. There is only one unit in the shop. What do I need to do to reset?? I did push the ACL button after changing batteries.

    Thanks

    John

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