Emicon CRAC All models error codes
Codes
- 13-2Error code[Error information]
- A0Error codeThere are 2 or more same S address of controller of out- i door unit, indoor unit, FRESH t MASTER, or LOSSNAY. a Noise has entered into trans- ti mission signal and signal was r C transformed
- A2Error codeError is detected if waveform is trans- formed when wiring works of trans- mission wire of outdoor unit, indoor unit, FRESH MASTER or LOSSNAY are done, or polarity is changed with the power on and transmission data collide each other. Defective transmitting receiving circuit of transmission processor Transmission data is changed by the noise on transmission
- A3Error codeError code A3 Error unit IU Unit#1 Time Occurred 2/ 1 4:48 Model name Serial No
- A6Error codeData of transmission proces- T sor or unit processor is not i transmitted normally because a of accidental trouble such as t noise or lightning surge. if Address forwarding from unit s processor is not transmitted o normally because of defective transmission processor hard- ware
- A7Error codeCommon factor that has no rela- tion with abnormality source. The unit of former address does not exist as address switch has changed while the unit was energized. Voltage drop and weak signal which lead communication error are caused by over-range trans- mission wire. • Maximum distance······ 656 ft [200 m] • Remote controller line.. (39ft [12 m]) Voltage drop and weak signal which lead communication error are caused by type-unmatched transmission wire. Type····· With shield wire- CVVS, CPEVS With normal wire (no shield)- VCTF, VCTFK, CVV CVS, VVR, VVF, VCT Diameter····1.25 mm2 [AWG16] or more Voltage drop and weak signal which lead communication error are caused by over-numbered units. Accidental malfunction of abnormality-detected controller (noise, lightning surge) Defective of abnormality occurred controller
- A8Error codeTransmitting condition is repeated fault because of noise and the like. Extension of transmission wire voltage and signal is caused by over-range transmission wire. • Maximum distance······ 656 ft [200 m] • Remote controller line····(39 ft [12 m]) Extension of transmission wire voltage and signal is caused by type-unmatched transmission wire. Type····· With shield wire- CVVS, CPEVS With normal wire (no shield)- VCTF, VCTFK, CVV CVS, VVR, VVF, VCT Diameter····1.25 mm2 [AWG16] or more Accidental malfunction of abnormality-occurred controller
- E0Error codeContact failure at transmission wire of remote controller All remote controllers are set as “sub” remote controller. In this case, E0 is displayed on remote controller, and E4 is displayed at LED (LED1, LED2) on the outdoor controller circuit board. Miswiring of remote controller Defective transmitting receiving circuit of remote controller Defective transmitting receiving circuit of indoor controller board of refrigerant address “0”. Noise has entered into the transmission wire of remote controller
- E1Error codeDefective remote controller
- E3Error code2 remote controller are set as “main.” (In the case of 2 remote controllers) Remote controller is connected with 2 indoor units or more. Repetition of refrigerant address Defective transmitting receiving circuit of remote controller Defective transmitting receiving circuit of indoor controller board Noise has entered into transmission wire of remote controller
- E4Error codeRemote controller signal receiving error is detected by indoor unit
- E5Error codeRemote controller transmitting error is detected by indoor unit
- E6Error codeContact failure, short circuit or miswiring (reversed wiring) of indoor/outdoor unit connecting wire Defective transmitting receiving circuit of outdoor controller cir- cuit board Defective transmitting receiving circuit of indoor controller board Noise has entered into indoor/ outdoor unit connecting wire. Defective fan motor Defective rush current resistor
- E7Error codeIndoor/outdoor unit communication error (transmitting error) is detected by indoor unit
- E8Error codeContact failure of indoor/out- door unit connecting wire Defective communication circuit of outdoor controller circuit board Defective communication circuit of indoor controller board Noise has entered into indoor/ outdoor unit connecting wire
- E9Error codeIndoor/outdoor unit connecting wire has contact failure. Defective communication circuit of outdoor controller circuit board Noise has entered power supply. Noise has entered indoor/out- door unit connecting wire
- F5Error codeDisconnection or contact failure of 63H connector on outdoor controller circuit board Disconnection or contact failure of 63H 63H is working due to defective parts. Defective outdoor controller circuit board
- G1Error codeCurrent sensitivity
- L1Error codeInput current sensor error L1-phase open error
- MF1Error codeMotor
- No1Error codeAverage data of the sensor on all the indoor units
- No2Error codeData of the sensor on the indoor unit that connected with remote controller
- No3Error codeData of the sensor on main remote controller
- ON1Error codePipe temperature/Liquid (TH3) -58 to 194
- P1Error codeAbnormality of room temperature thermistor (TH1)
- P2Error codeAbnormality of pipe temperature thermistor/Liquid (TH2)
- P4Error codeAbnormality of drain sensor (DS)
- P6Error codeFreezing (cooling)/overheating (heating) protection
- P8Error codeSlight temperature difference between indoor room temperature and pipe <liquid or condenser/evaporator> temperature thermistor • Shortage of refrigerant • Disconnected holder of pipe <liquid or condenser/ evaporator> thermistor • Defective refrigerant circuit Reversed connection of extension pipe (on plural units connection) Reversed wiring of indoor/ outdoor unit connecting wire (on plural units connection) Defective detection of indoor room temperature and pipe <condenser/evaporator> temperature thermistor Stop valve is not opened completely
- P9Error codeAbnormality of pipe temperature thermistor/Condenser-Evaporator (TH5)
- RS485Error codeHour counter error
- S1Error code• Troubles concerning power supply • Bad wiring of the outdoor controller board • The fuses on the outdoor controller circuit board are blown. • Bad wiring of the outdoor controller board • The fuses on the outdoor controller circuit board are blown. • Defective indoor controller board • Miswiring, breaking or poor connection of indoor/outdoor connecting wire • Defective indoor power board
- SW4Error code1: Power supply voltage error 3: PAM error 6: Input sensor trouble 7: Shortage voltage trouble 8: Overvoltage trouble
- SW7ParameterCN102 Connect to the M-P.B (CN2) (M-NET power circuit board) CN40,CN41 Centralized control power supply/ For storing jumper connector selection CNS2 Transmission wire of centralized control CNS1 Branch box/ indoor unit /out- door unit connecting wire CN4 Connect to the outdoor power circuit board (CN4) CN2 Connect to the outdoor power circuit board (CN2) 1 - : Power circuit board → Transmitting signal to
- TB6Error code• Defective remote controller • Breaking or poor contact of the remote controller wire • The remote controller wire short-circuits • Defective indoor controller board
- TH2Error codeVCC (TEST POINT ) (Voltage between pins of C82A): 15 VDC (Same as CNF1,2 (+)- (-))
- U1Error codeShort cycle of indoor unit Clogged filter of indoor unit Decreased airflow caused by dirt of indoor fan Dirt of indoor heat exchanger Locked indoor fan motor Malfunction of indoor fan motor Defective operation of stop valve (Not full open) Clogged or broken pipe Locked outdoor fan motor Malfunction of outdoor fan motor Short cycle of outdoor unit Dirt of outdoor heat exchanger Decreased airflow caused by defective inspection of outside temperature thermistor (It detects lower temperature than actual temperature.) Disconnection or contact failure of connector (63H) on outdoor controller board Disconnection or contact failure of 63H connection Defective outdoor controller board Defective action of linear expansion valve Malfunction of fan driving circuit
- U2Error codeClosed valve in cooling mode
- U3Error codeCompressor temperature thermistor (TH4) open/short
- U4Error codeSuction pipe temperature thermistor (TH6) open/short
- U5Error codeThe outdoor fan motor is locked. Failure of outdoor fan motor Airflow path is clogged. Rise of ambient temperature Defective thermistor Defective input circuit of outdoor power circuit board Failure of outdoor fan drive circuit
- U6Error codeOutdoor stop valve is closed.
- U7Error codeDisconnection or loose connec- tion of discharge temperature thermistor (TH4) Defective holder of discharge temperature thermistor Disconnection or loose connection of linear expansion valve’s coil Disconnection or loose connec- tion of linear expansion valve’s connector Defective linear expansion valve
- U8Error codeFailure in the operation of the DC fan motor Failure in the outdoor circuit controller board
- U9Error codeDetailed codes