Trouble-Shooting And Service - clage MCX 3 SMARTRONIC Gebrauchs- Und Montageanleitung

18. Trouble-shooting and service

The following table will help you to determine and rectify the reasons for possible problems.
Fault
No water flows
Water flows
more slowly than
expected
The heater switches
itself on and off
Water remains cold
Hot water tempera-
ture varies
Hot water tempe-
rature too low and
one LED flashes
slowly
One LED flashes fast
and water remains
cold
All LEDs flash fast
and water gets
warm
All LEDs flash fast
and water remains
cold
LED turns off shortly
after keypress
Cause
Water supply is turned off
The jet regulator is not fitted
Water pressure is not suf-
ficient
Dirt in the pipes
Water pressure is varying,
flow rate is too low
Water pressure is not suf-
ficient
Dirt
Supply voltage varies
Water connections mixed up
Flow rate is too high or inlet
temperature is too low
Temperature sensor defective
Heating element defective
(Cable of) control panel
defectice
Power unit defective
Keylock is active
Action
Open the main water valve and the shut-off
valve
Fit the special CLAGE jet regulator
Check the water flow pressure,
check the water flow adjustment
Remove any dirt from the filter, valves and taps /
check the technical data
Remove any dirt / increase the flow water pres-
sure, close other taps, open the shut-off valve
further
Adjust the water flow, open the shut-off valve,
fit the special CLAGE jet regulator, check water
pressure
Remove dirt from the inlet and outlet
Check the supply voltage
Check installation
Adjust the flow either at the tap, the valve or
the flow adjustment screw ("Adjusting the water
flow", 22).
Replace temperature sensor (authorized tech-
nician)
Replace heating element (authorized technician)
Reposition connector of control panel (autho-
rized technician)
Replace control panel (authorized technician)
Call service
Deactivate keylock (»How to use«, 23)
27
CLAGE