Grant Boiler Error Codes
Grant Boiler Error Codes
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- Sequence of Boiler Operation
- Boiler Servicing Procedure
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- Burner Not Igniting (£)
- Boiler Shuts Down
- Blocked plate exchanger (£)
- Domestic Hot Water Faults (£)
- Explosive Ignition (£)
- Faulty printed circuit board (£)
- Fan Problems (£)
- Noisy Heat Exchanger (£)
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- Circulating Pumps
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- Domestic hot water and primary micro switches (£)
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- Synchronous motors (within zone valves) (£)
- Y Plan (3 port mid-position valve) (£)
- S plan (HW zone valve and HTG zone valve) (£)
- Motorised valve heads (diverter valves) (£)
- Diverter valves (£)
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- Spark electrode(s) (£)
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