Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove fan/burner assembly
Observation:
Inspect the main heat exchanger coils for signs of debris, restriction or corrosion.
NOTE:
When re-fitting the burner make sure all of the seals are in good condition showing no signs of damage or wear.
NOTE:
When re-fitting the burner make sure all of the seals are in good condition showing no signs of damage or wear.
Isolate as per TOPs P4
and refit as necessary