Dražice OKC 100 NTR Manual de funcionamiento e instalación - Página 15

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Dražice OKC 100 NTR Manual de funcionamiento e instalación

2.9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES

Další možné poruchy -Table 6.
FAILURE SYMPTOM
Water is cold
Water is not warm
enough
Temperature of water is
not corresponding
Water is constantly
dripping off the safety
valve
Table 5
Do not try 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.
INDICATOR
•
Light on
•
Light off
•
Light on
•
Light off
SOLUTION
•
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
•
failure of one of the coils in
the element (contains 2)
•
Defective thermostat
•
high input pressure
•
defective safety valve
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