For installers and professionals
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4. Failure code
Power supply excesses operation range
Excessive temp difference between inlet and outlet water(Insufficient water flow
protection)
Ambient temperature too high or too low protection
Customer Control Switch DIN2 Disconnect
Phases lack protection (three phase model only)
Water outlet temp too high or too low protection
High exhaust temp protection
Evaporator overheat protection (only at cooling mode)
Controller communication failure
Water inlet temp sensor failure
Water outlet temp sensor failure
Gas exhaust temp sensor failure
Heating (Evaporator)coil pipe temp sensor
Gas return temp sensor failure
Cooling (Titanium heat exchanger) coil pipe temp sensor
Ambient temp sensor failure
Cooling plate sensor failure
Compressor drive module failure
Compressor running failure
Inverter board over current protection
Inverter board overheat protection
Cooling plate overheat protection
Capacitor no charging protection
PFC module over current protection