Drazice OKH 100 NTR Operation And Installation Manual - Page 14

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2.8 MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES

FAILURE SYMPTOM

Water is constantly

dripping off the safety

valve

Table 3

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 storage tank.

Service devices are located in the upper part of the storage tank (Figure 8).

Electric circuit power indicator lamp

LED



LED is not on

Figure 8

SOLUTION



input pressure is too high



faulty safety valve

Thermostat knob

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