i-MAX Industrial inverter air/water heat pump with axial fans
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13.14 [E801÷E971] TIMEOUT INVERTER
The time out alarm indicates that the control of the system is lost. The alarm will be activated when the controller does not
communicate with the compressor driver board.
13.15 POWER FAILURE
After power supply reset:
• The system comes back to the previous state before the power failure.
• If the system is in defrosting period, this mode will be cancelled after power supply reset.
• All the running timings will be cleared and reset again.
13.16 ALARMS LIST
In case of alarm, an error code will appear on the controller’s display.
Remote switch Off of the unit
Compressor 1 thermal overload protection
Lack of compressors lubrication alarm
High compressor’s discharge temperature
Usage pump 1 thermal overload protection
High temperature alarm in cooling operation
Misfitted temperature alarm
Communication Timeout “GI” module error
Inlet water temp. sensor error
Plant water plant temperature remote sensor (if enabled)
Outlet water temp. sensor error
Sanitary temperature sensor (if enabled)
Compressor intake temperature sensor
Compressor discharge temperature sensor/High pressure in the circuit
Outdoor air temp. sensor for climatic regulation
E801/E802 Timeout inverter 1, 2 Compressor
E851/E852 Inverter hardware error
Overcurrent of the motor
Inverter heatsink at high temperature
E881/E882 Power supply voltage out of limits
E891/E892 Compressor disconnected from power supply
E901/E902 Compressor driver and model mismatch
Communication error with main controller
E941/E942 PFC converter fault
E951/E952 Heatsink and/or room temperature sensor(s) error
Abnormal condition
EEPROM does not initialize
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