Most Frequent Function Failures And Their Causes - Drazice OKHE ONE/E 30 Operating And Installation Manual

2.9

MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES

FAILURE SYMPTOM
Water is cold
Water is cold
Water is not warm enough
Temperature of water is not
corresponding with the
temperature set on the control
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
• The temperature set on the thermostat is too low
• Light on
• Heating element failure
• No supply voltage!
• Thermostat failure - When the temperature
• Light off
• Safety thermostat shut off probably due
• Failure of one of the coils in the element
• Light on
• Defective thermostat
• High input pressure
• Light off
• Defective safety valve
Table 4
SOLUTION
sensor is broken, the display show flashing fault
code E1
to failed operation thermostat
(2x 1000 W)
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