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:
A
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
Summary of Contents for C3HA
Page 39: ...39 2 2x 1 Installation sequence Removing the front panel 5618 294 GB Installation ...
Page 42: ...42 1 2 Installation sequence Removing the transport brackets 5618 294 GB ...
Page 151: ...151 Checking and replacing resistors B C A Troubleshooting Repairs cont 5618 294 GB Service ...
Page 181: ...181 Parts lists Control unit assembly cont 5618 294 GB Service ...
Page 183: ...183 Parts lists Miscellaneous assembly cont 5618 294 GB Service ...
Page 191: ...191 5618 294 GB ...