Model reference
Daikin RX18QMVJU
Heat Pump
1 document32 error codes11 service modes
Available documentation
Service Manual
- Service Manual Inverter Pair Ceiling Mounted Cassette Type FFQ-Q Series146 pg
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Error codes (32)
CodeMeaning
A1Indoor unit PCB abnormalityA3Drain level control system abnormalityA6Indoor fan motor (DC motor) or related abnormalityAFHumidifier or related abnormalityC4Indoor heat exchanger thermistor 1 (liquid pipe) (R2T) or related abnormalityC5Indoor heat exchanger thermistor 2 (R3T) or related abnormalityC9Room temperature thermistor (R1T) or related abnormalityCEPresence sensor or floor sensor abnormalityCJRemote controller thermistor abnormalityE1Outdoor unit PCB abnormalityE5OL activation (compressor overload)E6Compressor lockE7DC fan lock (outdoor fan motor)E8Input overcurrent detectionEAFour way valve abnormalityF3Discharge pipe temperature controlF6High pressure control in coolingF8System shutdown due to compressor internal temperature abnormalityH0Compressor system sensor abnormalityH6Position sensor abnormalityH9Outdoor temperature thermistor or related abnormalityJ3Discharge pipe thermistor or related abnormalityJ6Outdoor heat exchanger thermistor or related abnormalityL3Electrical box temperature riseL4Radiation fin temperature riseL5Output overcurrent detectionP4Radiation fin thermistor or related abnormality.U2Low-voltage detection or over-voltage detectionU4Signal transmission error between indoor unit and outdoor unitU5Signal transmission error between indoor unit and remote controllerService modes (11)
- Field Setting Mode (Wireless Remote Controller)["From normal mode, hold down INSPECTION/TEST OPERATION button for at least 4 seconds to enter…
- Field Settings (Wired Remote Controller BRC1E73)["Press and hold Cancel button for 4 seconds or longer
- Forced Cooling Operation (Wired Remote Controller BRC1E73)["Set to COOL operation using the remote controller.","Press and hold Cancel button for 4 seconds…
- Forced Cooling Operation (Wireless Remote Controller)["Press OPERATION MODE SELECTOR button and select COOL operation.","Press INSPECTION/TEST OPERATION…
- Inspection Mode (Wireless Remote Controller)["Press INSPECTION/TEST OPERATION button once to enter inspection mode
- Power Transistor Test Operation (Wired Remote Controller BRC1E73)["Turn the power on.","Set FAN operation using the remote controller.","Press and hold Cancel…
- Power Transistor Test Operation (Wireless Remote Controller)["Turn the power on.","Press OPERATION MODE SELECTOR button and select FAN operation.","Press…
- Service Mode (Wireless Remote Controller)["From normal mode, press INSPECTION/TEST OPERATION button once to enter Inspection mode.","Press…
- Service Settings Menu (Wired Remote Controller BRC1E73)["Press and hold Cancel button for 4 seconds or longer from the basic screen."]
- Test Operation (Wired Remote Controller BRC1E73)["Set to COOL or HEAT operation using the remote controller.","Press and hold Cancel button for 4…
- Test Operation (Wireless Remote Controller BRC082A41W/BRC082A42W(S))["Press OPERATION MODE SELECTOR button and select COOL or HEAT operation.","Press INSPECTION/TEST…
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