MDV B Series error codes
Codes
- 24-33Error codeLast 10 times error protection code4
- CN1Error codeMain board 5V power supply port; communication port
- CN2Error codeP Q E X Y E communication port
- CN5Error codeCommunication port between outdoor unit and indoor units
- CN9Error codeSignal input port of system high pressure detect switch
- CN12Error codeSignal input port of system low pressure detect switch
- CN13Error codeFour way valve
- CN18Error codeElectronic expansion valve port
- CN19Error codeDC fan port
- CN20Error codeCommunication port between outdoor
- CN24Error codeCompressor discharge temperature detection port
- CN27Error codeR T communication port
- CN32Error codeDC fan port
- hes10Error codeL2 - DC bus high voltage protection
- hes12Error codeL4 - MCE error
- hes15Error codeL7 - Phase sequence error
- LED101Error codeInverter module operating indicator (red light). Continuously on if the compressor is running normally, quick flashing (5Hz) if an inverter module error has occurred1 and slow flashing (1Hz) if the machine is in standby mode
- S1Error codeS1-3 is ON, Automatically judging EXV control mode of ODU in cooling mode S1-3 is OFF, ODU EXV of forced discharge temperature control in cooling mode ( default)
- T1Error codeMedium Static Pressure Duct (Arc Series Duct)