KDB-GOM
Series
- 68 -
9 # 13 Failure Heating flow sensor failure
No Symptoms and Causes Solutions Reference
Heating flow sensor failure occurs only
in close air system boiler.
1 Heating flow sensor is ON although the
pump is not operating.
- Measure the resistance of the heating flow
sensor. When the circulation pump is not
working resistance should indicate infinity and
zero when it is working. If there is no change
according to the pump movement, clean the
heating flow sensor or replace it.
<Fig. 1>
<Fig. 1>
Heating Flow Sensor
Measure
resistance
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