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14. Trouble-shooting and service
The following table will help you to determine and rectify the reasons for possible problems. If you cannot rectify the
fault with the aid of this table, please contact:
CLAGE GmbH
Central customer service
Pirolweg 8
21337 Lüneburg
Germany
Fon: +49 (0) 4131 – 89 01-40
Fax: +49 (0) 4131 – 89 01-41
E-mail: service@clage.de
Internet: www.clage.de
We can either give you the name and address of an authorised customer service company or repair the heater our-
selves. In the latter case, please send in the heater (at your cost and risk) with details of the problem and a copy of the
sales invoice.
Fault
No water flows
Water flows more
slowly than expected
The heater switches
itself on and off
Water remains cold,
although the appli-
ance switches on
Appliance does not
switch on and the
water remains cold
Hot water tempera-
ture varies
Hot water tempera-
ture too low
Cause
Water supply is turned off
The jet regulator is not fitted
Water pressure is not sufficient
Dirt in the pipes
Water pressure is varying,
flow rate is too low
Electric supply incorrect
Circuit breaker has tripped
Faulty heating element
One phase is not connected
Water connections mixed up
Water pressure is not sufficient
Dirt in the pipes
Water pressure varies
Supply voltage varies
Flow rate is too high
Inlet temperature is too low
Power supply is too low
Action
Open the main water valve / the shut-off valve
Fit the special clage jet regulator
Check the water flow pressure
Remove any dirt from the filter, valves and/or taps
check the technical data
Remove any dirt / increase the flow water pressure
Close other taps
Open the shut-off valve further
Check the electric supply
Have the fault rectified by a technician and reset the
circuit breaker
Replace heating element (by authorized technician)
Check the supply voltage (2/pe 400 v - mh 7 only)
Check installation
Adjust the water flow (see fig. 7)
Open the shut-off valve, check water pressure
Remove dirt from the inlet and outlet pipes
Stabilise the water flow pressure
Avoid using other taps in the same circuit
(i.E. Toilets, washing machines)
Check the supply voltage
Adjust the flow either at the tap, the valve or the
flow adjustment screw
Measure the temperatures and flow rate and compare
with the technical data, check the power supply
15
CLAGE
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