148
Checking the temperature limiter
If the burner control unit cannot be reset
after a fault shutdown even though the
boiler water temperature is below
approx. 75 °C, check the following:
1. Pull the cables from thermal circuit
breaker
A
.
2. Check the continuity of the thermal
circuit breaker with a multimeter.
3. Remove the faulty thermal circuit
breaker.
4. Fit a new thermal circuit breaker and
connect cables.
Troubleshooting
Repairs
(cont.)
5618 294 GB
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