BWT bestaqua 14 Notice De Montage Et D'utilisation page 57

4.1 Trouble shooting guide
Please observe: If your reverse osmosis is not performing as it should, please run through the alarm messages below
and the check list (Part 4.2) on the next page. In the event of a fault, repair work may only be carried out by an expert
(SERVICE technician).
Alarm / malfunction list:
FAULT 3
PUMP PRESSURE TRANSMITTER FAILURE
FAULT 3
PUMP PRESSURE TRANSMITTER FAILURE
3: "PUMP PRESSURE TRANSMITTER FAILURE"
Failure of the pump pressure transmitter
FAULT 4
MAX PRESSURE TRANSMITTER FAILURE
FAULT 4
MAX PRESSURE TRANSMITTER FAILURE
4: "MAX PRESSURE TRANSMITTER FAILURE"
pressure sensor
PUMP PRESSURE
TO HIGH
Reduce it and press V to restart
5: "PUMP PRESSURE TOO HIGH"
pump pressure is too high
TEMPERATURE PROBE FAILURE
6: "TEMPERATURE SENSOR FAILURE"
Failure of the temperature sensor
Possible reasons:
FAULT 3 ... in operation
FAULT 3 ... during starting
loose contacts
FAULT 4 ... in operation
FAULT 4 ... during starting
of the pressure transmitter
FAULT 5 ... only in operation
the limit set point
FAULT 6 ... only during starting
Acknowledgement:
Call SERVICE team
Replacement of pressure transmitter
Call SERVICE team
Replacement of pressure transmitter
Call SERVICE team
Open the bypass at the pump head
to reduce the pressure and adapt
the set point (max. 13bar)
Replacement of pressure transmitter
Call SERVICE team
Replacement of temperature sensor
EN
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