Dražice OKCEV 100 - Most Frequent Function Failures and Their Causes

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2.9 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES
Other possible defects – Table 7
FAILURE SYMPTOM
INDICATOR
SOLUTION
Water is cold
•
Light on
•
The temperature set
on the thermostat is too low
• Heating element failure
Water is cold
• Light off
• no supply cable
• 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
• Light on
• Defective thermostat
Water is constantly
dripping off the safety
valve
• Light off
• high input pressure
• defective safety valve
Table 7
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.