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Alarm
Rego 1000 – 6 721 831 662 (2021/03) en 19
7.7.35 Failure on sensor E2x.T10
Function: Activated when the sensor's resistance value indicates a
temperature lower than -20 °C.
Reset condition: The value of the sensor indicates
> -20 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
Contact the dealer if the alarm remains active for more than three
hours or recurs often.
7.7.36 Short circuit on sensor E2x.T10
Function: Activated when the sensor indicates a temperature in excess
of 70 °C.
Reset requirement: The sensor value displayed < 70 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
Contact the dealer if the alarm remains active for more than three
hours or recurs often.
7.7.37 Failure on sensor E2x.T11
Function: 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.
Contact the dealer if the alarm remains active for more than three
hours or recurs often.
7.7.38 Short circuit on sensor E2x.T11
Function: Activated when the sensor indicates a temperature in excess
of 70 °C.
Reset requirement: The sensor value displayed < 70 °C.
Category: H.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
Contact the dealer if the alarm remains active for more than three
hours or recurs often.
7.8 Warnings
7.8.1 Electric additional heat shut down due to high temperature
E2x.T8
Function: The electric heater is turned off. The warning is activated in
additional heat mode if the outgoing temperature of the heat transfer
fluid exceeds the maximum value.
Reset condition: The warning is deactivated when the temperature
falls.
Category: K.
Alarm lamp: Yes.
Restart: Automatic once the alarm cause has disappeared.
Contact the dealer if the warning recurs often.
7.8.2 High temperature difference heat transfer fluid E2x
Function: The warning is activated when the temperature difference
between heat transfer fluid out and heat transfer fluid in becomes too
high.
Reset condition: The warning is deactivated on acknowledgement of
the warning display.
Category: L.
Alarm lamp/buzzer: No.
Restart: The warning does not close anything but is registered in the
alarm log.
Check and clean the particle filter, if required.
Contact the dealer if the warning remains after acknowledgement.
7.8.3 High temperature difference collector circuit E2x
Function: The warning is activated when the temperature difference
between collector circuit out and collector circuit in becomes too big.
Reset condition: The warning is deactivated on acknowledgement of
the warning display.
Category: L.
Alarm lamp/buzzer: No.
Restart: The warning does not close anything but is registered in the
alarm log.
Check and clean the particle filter, if required.
Contact the dealer if the warning remains after acknowledgement.
7.8.4 The heat pump is now working in anti-freeze mode
Function: Activated when the temperature in one of the circuits
becomes too low.
Reset condition: The temperature in the circuit is increased.
Category: L.
Alarm lamp/buzzer: No.
Restart: Automatic once the alarm cause has disappeared.
Contact the dealer.
7.8.5 Check connection to I/O board x
Function: Depends on the board.
Reset condition: Communication with the board is re-established.
Category: M.
Alarm lamp/buzzer: No.
Restart: Acknowledgement is required.
Contact the dealer.
7.8.6 Check CANbus cable connection
Function: Communication with the controller has been interrupted. The
controller executes a new start if the alarm is still active after two hours.
If more than three new starts have been carried out within one hour, the
alarm Too high boot count I/O board BAS x (category A), Chapter
7.7.7.
Category: M.
Alarm lamp/buzzer: No.
Restart: Acknowledgement is required.
Contact the dealer if the warning recurs often.
7.9 Information log
The information log displays information from the heat pump.
7.9.1 High flow temperature E2x.T8
Function: The information is given if the temperature of the heating
medium is too high. The information can appear temporarily when high
room and hot water temperatures are set.
Reset condition: The information is deactivated when the temperature
falls to the permitted level.
Category: I.
19


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