Montage- und Betriebsanleitung / User manual
VXe SLS
© Danfoss | Produced by Danfoss Redan A/S | 2022.03 | 35
AQ40514397064001-000101
145X2068
Problem
Possible cause
Solution
Temperature too high
Defective actuator - possibly dirt in the
valve housing.
Check the functions of the actuator - clean
valve seat if required.
Automatic controls wrongly set or defective.
Check if the setting of the controller is correct, -
see separate instructions.
Defective immersion sensor.
Replace immersion sensor.
Variations in temperature
Non-return valve on the circulation line
defective (leads to mixing - and the
circulation water pipes become cold during
tapping).
Replace the non-return valve
Temperature falls during tapping
(lack of capacity)
Controller incorrectly adjusted or defective.
Check that the setting of the controller
is correct. - see the controller instruction
manual.
The immersion thermostat sensor incorrectly
fitted in the cylinder.
Place sensor correctly according to the specific-
tions of the manufacturer.
You may contact Danfoss Redan A/S for further
information.
Calified heat exchanger.
Descale the heat exchanger or replace it.
Insufficient cooling
Calified heat exchanger.
Descale the heat exchanger or replace it.
TROUBLE SHOOTING - DOMESTIC HOT WATER
