Most Frequent Function Failures And Their Causes - Drazice OKC 100 Operating And Installation Manual

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
with the set value
Water is constantly
dripping off the safety
valve
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.
INDICATOR
•
Light on
• Light off
•
Light on
•
Light off
Table 5
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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