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19
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2.9
MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES
FAILURE SYMPTOM
INDICATOR
SOLUTION
Water is cold
•
Light on
•
Light off
•
The temperature set on the thermostat
is too low
•
Heating element failure
•
No supply voltage!
•
Thermostat failure
•
Safety thermostat shut off probably due
to failed operation thermostat
Water is not warm enough
•
Light on
•
failure of one of the coils in the element
(contains 2)
Temperature of water
is not corresponding
with the set value
•
Defective thermostat
Water is constantly
dripping off the safety
valve
•
Light off
•
high input pressure
•
defective safety valve
Table 5
Do not attempt to repair the failure yourselves. Seek either expert or service help. It does not
take much for an expert to remove the defect. When making a repair appointment, report the
type and serial number you find on the performance plate of your water heater.
