Drazice OKC 125 NTR Betriebs- und Installationshandbuch - Seite 17

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Drazice OKC 125 NTR Betriebs- und Installationshandbuch

2.9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES

FAILURE SYMPTOM
Water is cold
Water is not warm
enough
Temperature of water is
not corresponding
Water is constantly
dripping of the safety
valve
Table 4
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 appliance.
LED
•
LED is on
•
LED is off
•
LED is on
•
LED is 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 (consists of
3x1350 W)
•
defective thermostat
•
input pressure too high
•
faulty safety valve
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