DOMUSA DUAL CLIMA 11, Инструкция по установке и эксплуатации

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17 ALARM CODES
The DUAL CLIMA heat pump has an electronic controller that performs continuous self-testing to
detect any pump malfunctioning. When the controller detects malfunctioning, this is indicated by an
alarm code and the
service symbol on the main board display. The table below shows a list of the
alarm codes that may appear:
Code Alarm Description
E1
Excess temperature in the compressor gas
discharge. The compressor safety thermostat is enabled. Contact the
nearest official Technical Assistance Service.
E2 Outdoor temperature sensor.
Open circuit or short circuit in the outdoor temperature
sensor. Contact your nearest official Technical Assistance
Service to have it replaced.
E3 Tube or return air temperature sensor.
Open circuit or short circuit in the temperature sensor or
suction sensor. Contact your nearest official Technical
Assistance Service to have it replaced.
E4 Return temperature sensor.
Open circuit or short circuit in the return temperature
sensor. Contact your nearest official Technical Assistance
Service to have it replaced.
E5 Flow temperature sensor.
Open circuit or short circuit in the flow temperature
sensor. Contact your nearest official Technical Assistance
Service to have it replaced.
E6 DHW temperature sensor.
Open circuit or short circuit in the flow temperature
sensor. Contact your nearest official Technical Assistance
Service to have it replaced.
E7
Solar temperature sensor.
Open circuit or short circuit in the solar temperature
sensor. Contact your nearest official Technical Assistance
Service to have it replaced.
E8 Excess temperature in the external heat exchanger.
The safety thermostat of the external heat exchanger has
been activated. Contact your nearest official Technical
Assistance Service.
E9
Antifreeze function in Heating/Cooling mode.
The antifreeze function in heating/cooling mode has been
activated twice in 90 minutes. Disconnect and reconnect
the power supply of the heat pump. If the alarm is
triggered persistently repeatedly, contact the nearest
official Technical Assistance Service.
EA Antifreeze function in DHW mode.
The antifreeze function in DHW mode has been activated
twice in 60 minutes. Disconnect and reconnect the power
supply of the heat pump. If the alarm is triggered
persistently repeatedly, contact the nearest official
Technical Assistance Service.
EB Internal coolant tube temperature sensor.
Open circuit or short circuit in the temperature sensor.
Contact your nearest official Technical Assistance Service
to have it replaced.
EC Water inlet temperature sensor:
Open circuit or short circuit in the temperature sensor.
Contact your nearest official Technical Assistance Service
to have it replaced.
ED
Water outlet temperature sensor:
Open circuit or short circuit in the temperature sensor.
Contact your nearest official Technical Assistance Service
to have it replaced.