High Temperature Hydro Module
202003 79
Undefined address of hydraulic module
Protection against excessively high temperature of the inverter module
Unmatched compressor model
Report error H4 after 3 x L0 or L1 failure is displayed.
Low pressure protection (Unrecoverable)
Discharge temperature protection (Unrecoverable)
EXV1 R134A electronic expansion valve failure
EXV2 R410A electronic expansion valve failure
Communication failure between wired controller and hydraulic module
Twout water outlet temperature sensor failure
Twin water inlet temperature sensor failure
Ttank water tank temperature sensor failure
T7C discharge temperature sensor failure
T7 return air temperature sensor failure
TF module temperature failure
Liquid pipe temperature sensor failure at R410A side of T2A evaporation
condenser
T3 cold outlet temperature sensor failure
Ta room temperature sensor wired controller failure
High-pressure sensor failure
Low-pressure sensor failure
Communication failure between hydraulic module and ODU
Communication failure between main control chip and driver chip
Slave unit communication failure (only valid to group control)
Voltage protection failure
Insufficient superheat degree protection
Compressor overcurrent protection (secondary current protection)
T7C discharge temperature protection
Module high-temperature protection
Loop relay protection of module plate
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