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7 : TROUBLESHOOTING
7.1 Solving problems
Fault Possible cause Solution
The water at the
appliance outlet
is cold
Heating indicator
light is off
Mains power loss Restore the power supply
Bad contact on the electrical
socket
Replace the electrical socket
Faulty temperature limiter or
thermostat
Call service for the necessary
repair
The heating
indicator light
is on
Insufficient heating time Wait for the water to heat up
Open circuit or damaged
appliance
Call service for the necessary
repair
Heating indicator light is off
Temperature limiter has
tripped due to empty tank
or excessively high water
temperature
Call service for the necessary
repair
Temperature limiter fault
Call service for the necessary
repair
Faulty thermostat
Call service for the necessary
repair
ON-OFF switch electrical
wiring damaged
Call service for the necessary
repair
No water at the hot water outlet
Water supply interrupted
Wait until the water supply is
restored
Low water pressure
Use the appliance once the
pressure has increased
Water inlet valve closed Open the water inlet valve
Excessive water temperature
Temperature control system
fault
Call service for the necessary
repair
Water leak
A joint on one of the pipes is
not watertight
Seal the joints
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