Dražice OKC 100 NTR/HV Manual de funcionamiento e instalación - Página 8
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15.
MOST FREQUENT FUNCTION FAILURES AND THEIR CAUSES
Water is cold
Water is not warm enough
Temperature of water is not
corresponding
Water is constantly dripping of
the safety valve
Do not try to repair the failure yourselves. Seek either expert or service help. It does not take much for an expert to
When making a repair appointment, report the type and serial number you find on the
remove the defect.
performance plate of your water heater.
16.
PRODUCT ACCESSORIES
The product is supplied with a safety valve, 2 – 4 fastening screws M 12x30, 2-4 washers 13
(OKCE version has them mounted in the hinges on the heater) and a thermometer. The above parts are
packed and placed in the packaging in the top part of the heater.
It is in your own interest to check the completeness of the accessories.
LED is on
LED is not on
LED is on
LED is not on
8
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
Input pressure too high; faulty safety valve