Troubleshooting; Solving Problems - ThermoFlow DS 10 U Bedienungs- & Installationsanleitung

7 : TROUBLESHOOTING

7.1

Solving problems

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