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Rego 1000 – 6 721 831 662 (2021/03) en
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Alarm
Reset condition: The collector circuit temperature exceeds the lowest
permitted temperature.
Category: A.
Alarm lamp/buzzer: Yes.
Restart: Acknowledgement is required.
Contact the dealer if the alarm remains after acknowledgement.
7.7.6 Low temperature collector circuit out E2x.T11
Function: Alarm is given if the collector circuit temperature is too low
and if warning of this has been given several times.
Alarm timer starts: Yes.
Reset condition: The temperature of the refrigerant exceeds the lowest
permitted temperature.
Category: A.
Alarm lamp/buzzer: Yes.
Restart: Acknowledgement is required.
Contact the dealer if the alarm remains after acknowledgement.
7.7.7 Too high boot count I/O board BAS x
Function: Compressor stops. Is activated if the controller has executed
more than three new starts after the alarm Check CANbus cable
connection,
( Chapter 7.8.6).
Alarm timer starts: Yes.
Reset condition: The CAN-BUS communication with the controller has
been restored.
Category: A.
Alarm lamp/buzzer: Yes.
Restart: Acknowledgement is required.
Contact the dealer if the alarm remains after acknowledgement.
7.7.8 Motor cut-out 1 E2x.F11, Compressor
Function: Activated when the compressor's motor cut-out has tripped
because of high current or lost current phase resulting in undue strain on
the compressor.
Alarm timer starts: Yes.
Reset condition: Motor cut-out reset.
Category: B.
Alarm lamp/buzzer: Yes.
Restart: Acknowledgement is required.
Check the heating system fuses, and main fuses.
Contact the dealer if the alarm remains after acknowledgement.
7.7.9 Phase error E2x.B1
Function: The compressor stops when the phase guard trips because of
the lack of a phase or the presence of a phase sequence error. Also too
low (<195V) or too high (>254V) voltage generates an alarm.
Alarm timer starts: Yes.
Reset condition: The error has been remedied.
At too low/high voltage: The voltage is greater than 201V or lower than
250V.
Category: E.
Alarm lamp/buzzer: Yes.
Restart: Acknowledgement is required.
Check the heating system fuses, and main fuses.
Contact the dealer if the alarm remains after acknowledgement.
7.7.10 Failure on sensor E2x.T6 hot gas
Function: The compressor stops because the hot gas cut-out cannot be
guaranteed. Activated when the sensor's value indicates a temperature
lower than -50 °C.
Alarm timer starts: Yes.
Reset condition: The value of the sensor indicates >
-50 °C.
Category: E.
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.
7.7.11 Short circuit on sensor E2x.T6 hot gas
Function: The compressor stops because the hot gas cut-out cannot be
guaranteed. Activated when the sensor's resistance value indicates a
temperature higher than 150 °C.
Alarm timer starts: Yes.
Reset condition: The value of the sensor indicates < 150 °C.
Category: E.
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.
7.7.12 High flow temperature E1x.T1
Function: Compressor stops. Activated when the temperature in the
heating circuit becomes too high in relation to the settings that are
made.
Alarm timer starts: Yes.
Reset condition: The sensor's value falls below the temperature for
beginning of the heating demand.
Category: E.
Alarm lamp/buzzer: Yes.
Restart: Automatic once the alarm cause has disappeared.
Lower the heating on the circuit.
Check that the thermostat valves are open.
Contact the dealer if the alarm recurs often.
7.7.13 Faulty electric heater E21.E2
Function: The electric heater is turned off. Activated by tripped
overheat protection on the electric additional heat, high flow
temperature or too high temperature in electric additional heat. The
automatic trip fuse to the electric additional heat may have been tripped
due to, for example, a short circuit.
Reset condition: Overheat protection reset or the temperature has
fallen.
Category: F.
Alarm lamp/buzzer: Yes.
Restart: Acknowledgement is required.
Reset the overheat protection if this has been triggered.
Reset the automatic fuse if this has been tripped.
Contact the dealer if the alarm remains after acknowledgement.
7.7.14 Overheat protection tripped hot water electric heater
Function: The electric heater is turned off. If alarm output from the
electric heater has been connected to the multi module, the alarm is
given when an error occurs.
16


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