Mitsubishi Heavy chiller All models error codes
Codes
- 0-255Error codeHeating thermo-OFF
- 8-7Error code
- 10-4Error codeStorage temperature and humidity
- A3Error codeError code A3 Error unit IU Unit#1 Time Occurred 2/ 1 4:48 Model name Serial No
- b7Error code
- CN2Error code
- for20Error codeOutdoor liquid/gas valve is closed. Malfunction of outdoor LEV (LEV-A) (blockage) TH21: Indoor intake temperature thermistor (RT11 or TH1) TH22: Indoor liquid pipe temperature thermistor (RT13 or TH2) TH23: Branch box gas pipe temperature thermistor (TH-A to E) LEV: Linear expansion valve
- FVC164Error codeReduced voltage start only performed at the first start (no frequency search)
- FVC299Error codeReduced voltage at every start (no frequency search)
- FVC611Error codeConsider according to the magnitude of load (moment of inertia/torque)
- GY1Error codeNormal Abnormal Gray - Black Gray - Red Gray - Yellow Gray - Orange Open or short 46 ± 3 "
- hin30Error codeClosed stop valve Decrease of power supply voltage Looseness, disconnection, or wrong phase of compressor wiring connection Model selection error on indoor controller board or outdoor multi controller circuit board Defective compressor Defective outdoor power circuit board
- If4Error code4-way valve failure Disconnection or failure of 4-way valve coil Clogged drain pipe Disconnection or loose connection of connectors Malfunction of input circuit on outdoor multi controller circuit board Defective outdoor power circuit board TH21: Indoor intake temperature thermistor (RT11 or TH1) TH22: Indoor liquid pipe temperature thermistor (RT13 or TH2) TH23: Indoor gas pipe temperature thermistor (TH-A to E)
- in30Error codeThe previous address unit does not exist since the address switch was changed while in electric continuity status. Decline of transmission voltage/signal caused by tolerance over on transmission line ·At the furthest end: 656 ft [200 m] ·On remote controller line: 39 ft [12 m] Decline of transmission voltage/ signal due to unmatched transmission line types ·Types for shield line: CVVS, CPEVS ·Line diameter: AWG16 [1.25 E] or more Decline of transmission voltage/ signal due to excessive number of connected units Malfunction due to accidental disturbance such as noise or lightning surge Defect of error source controller
- in63HError code
- in63LError code
- is-32Error codeDefective low pressure sensor Decrease of internal pressure caused by gas leakage Disconnection or contact failure of connector Malfunction of input circuit on outdoor multi controller circuit board
- is14Error codeDefective high pressure sensor Decrease of internal pressure caused by gas leakage Disconnection or contact failure of connector Malfunction of input circuit on outdoor multi controller circuit board
- Is5101Error code
- Is5104Error code
- Is5110Error code
- Is5201Error code
- K07Error codeAnalog input
- L1Error codeP1 P/+ PR*7 PX*7 Inrush current limit circuit
- LP1Error code2 Low pressure 1,2 High pressure switch
- No1Error code
- ON1Error codeCommon
- or4Error code
- R1Error codeThe power capacity necessary when separate power is supplied from R1/L11 and S1/L21 differs according to the inverter capacity.
- RD1Error codeNormal Abnormal Red - White Red - Orange Red - Yellow Red - Blue Open or short 46 ± 4 "
- RS-485Error codeWith the PU connector, communication can be established through RS-485. (for connection on a 1:1 basis only) Conforming standard : EIA-485 (RS-485) Transmission format : Multidrop link Communication speed : 4800 to 38400bps Overall length : 500m
- SV1Error code
- SW1Error code
- SW7-1Error code
- TH2Error codeDisconnection or contact failure of connectors Characteristic defect of thermistor Defective outdoor multi controller circuit board
- TH3Error codeDisconnection or contact failure of connectors Characteristic defect of thermistor Defective outdoor multi controller circuit board
- TH5Error codeACC Inlet Ref temperature
- TH6Error codeDisconnection or contact failure of connectors Characteristic defect of thermistor Defective outdoor multi controller circuit board
- TH7Error codeWater hex Ref temperature
- TH8Error codeBlocked outdoor fan Malfunction of outdoor fan motor Blocked airflow path Rise of ambient temperature Characteristic defect of thermistor Malfunction of input circuit on outdoor power board Malfunction of outdoor fan driving circuit
- TH10Error codeOutdoor temperature
- TH11Error codeDischarge Ref temperature
- TH15Error codeExternal Water sensor
- THc15Error codeExternal water temperature compensation TH15
- to200Error code
- U2Error codeClosed valve in cooling mode
- X04Error codeMAIN BOX=- SUB BOX=
- X07Error codeMAIN BOX=- SUB BOX=-