Alarms
6 720 645 504 (2011/04) en
91
17.9.20 Faulty protective anode E41.F31
Function: The alarm is activated when the anode in the
hot water heater is broken or does not work.
Presupposes that Yes is indicated in Protective anode
installed.
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.
17.9.21 Failure on sensor E11.T1 flow
Function: The alarm is activated when the sensor's value
indicates a temperature lower than 0 °C. The flow
temperature T1 becomes identical to T8. If there are
several heat pumps installed, T1 = T8 for the heat pump
that does not produce hot water and has the highest
value on T8. Additional heat mixing valve shut.
Reset condition: The value of the sensor indicates >0 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
17.9.22 Short circuit on sensor E11.T1 flow
Function: The alarm is activated when the sensor's value
indicates a temperature higher than 110 °C. The flow
temperature T1 becomes identical to T8. If there are
several heat pumps installed, T1 = T8 for the heat pump
that does not produce hot water and has the highest
value on T8. Additional heat mixing valve shut.
Reset condition: The value of the sensor indicates
< 110 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
17.9.23 Failure on sensor E12.T1, E13.T1... flow
Function: The alarm is activated when the sensor's value
indicates a temperature lower than 0 °C. The mixing
valve for the circuit is closed completely.
Reset condition: The value of the sensor indicates >0 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
17.9.24 Short circuit on sensor E12.T1, E13.T1... flow
Function: The alarm is activated when the sensor's value
indicates a temperature higher than 110 °C. The mixing
valve for the circuit is closed completely.
Reset condition: The value of the sensor indicates <
110 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
17.9.25 Failure on sensor T2 outdoor
Function: The alarm is activated when the sensor's value
indicates a temperature lower than -50 °C. In the event
of a failure on T2, the outdoor temperature is set to 0 °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.
17.9.26 Short circuit on sensor T2 outdoor
Function: The alarm is activated when the sensor's value
indicates a temperature higher than +70 °C. In the event
of a short circuit on T2, the outdoor temperature is set
to 0 °C.
Reset condition: The value of the sensor indicates
< 70 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
17.9.27 Failure on sensor E4x.T3 hot water
Function: The alarm is activated when the sensor's value
indicates a temperature lower than 0 °C. The hot water
production is terminated.
Reset condition: The value of the sensor indicates >0 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has
disappeared.
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