When the return water temperature sensor fails, the return pump is allowed to run (do not judge the
return water temperature)
When the water tank or ambient temperature sensor are faulty, electric heating operation is not
allowed.
“11E”, “12E”, “13E” ", "14E", "15E", "17E", "18E", "19E". are correspondingly displayed when the coil
temperature sensor, ambient temperature sensor, exhaust temperature sensor, inlet water
temperature sensor/tank temperature sensor, absorb temperature sensor, and outlet water
temperature sensor/return water temperature sensor are faulty.
10) Other:
“09E” is displayed when the communication between the main control board and the wire controller is
abnormal or the data line is not connected normally. “--:--” is displayed when the valid clock cannot
be obtained. And the communication indicator of the main control board flashes. The buzzer sounds
when an alarm occurs. Press any key to silence the alarm.
The fault code table is as follows:
Water flow switch disconnected(water cycle heat pump)
Exhaust temperature too high
High pressure switch failure
Low pressure switch failure
Evaporator coil temperature sensor failure
Ambient temperature sensor failure
Exhaust temperature sensor failure
Water inlet temperature sensor failure
Tank temperature sensor failure
Absorb temperature sensor failure
Water outlet temperature sensor failure
Return water temperature sensor failure
Outlet water temperature too high protection(water cycle heat pump)
Outlet water temperature too low protection(water cycle heat pump)
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