Alarm
6 720 643 415 (2010/03)
29
11.7.18 Faulty protective anode E41.F31
Function: Does not affect the compressor or additional
heat. The alarm is activated when the anode in the hot
water heater is broken or does not work.
Reset condition: The anode should be taken care of so
as to prevent corrosion in the hot water heater.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Acknowledgement is required.
B Contact the dealer.
11.7.19 Failure on sensor E11.T1 flow
Function: The system switches over to control based on
sensor T8. The alarm is activated when the sensor's
value indicates a temperature lower than 0 °C.
Reset condition: The value of the sensor indicates >0 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
B Contact the dealer if the alarm remains active for
more than three hours or recurs often.
11.7.20 Short circuit on sensor E11.T1 flow
Function: The system switches over to control based on
sensor T8. The alarm is activated when the sensor's
value indicates a temperature higher than 110 °C.
Reset condition: The value of the sensor indicates
< 110 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
B Contact the dealer if the alarm remains active for
more than three hours or recurs often.
11.7.21 Failure on sensor E12.T1, E13.T1... flow
Function: The mixing valve for the circuit is closed
completely. The alarm is activated when the sensor's
value indicates a temperature lower than 0 °C.
Reset condition: The value of the sensor indicates >0 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
B Contact the dealer if the alarm remains active for
more than three hours or recurs often.
11.7.22 Short circuit on sensor E12.T1, E13.T1... flow
Function: The mixing valve for the circuit is closed
completely. The alarm is activated when the sensor's
value indicates a temperature higher than 110 °C.
Reset condition: The value of the sensor indicates
< 110 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
B Contact the dealer if the alarm remains active for
more than three hours or recurs often.
11.7.23 Failure on sensor T2 outdoor
Function: In the event of a failure on T2, the outdoor
temperature is set to 0 °C so that the heat pump can
continue to produce heat. The alarm is activated when
the sensor's value indicates a temperature lower than
-50 °C.
Reset condition: The value of the sensor indicates
> -50 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
B Contact the dealer if the alarm remains active for
more than three hours or recurs often.
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