Worcester GREENSTAR HE combi Series, Инструкции по установке и обслуживанию

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7 181 465 347 (01.07)
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Rectifying faults
4.5 Faults that are not displayed
4.5.1 Appliance faults
Boiler indicates P1, P2, P3 at start-up and then restarts with P1..
Check Action
1. Fuse T 1.6 A (312) defective. yes: B Turn ON the appliance.
B
Change the fuse.
B Power OFF the appliance.
Start sequence not completed?
↓
2.
no:
↓
2.
2. The PCB control board is damaged. B Change PCB control board.
Excessive burner noise, rumbling noises
Check Action
1. Does the gas supply type match the
specifications on the appliance iden-
tification plate? yes:
↓
2.
no:
B
Convert appliance to correct gas type
1)
.
2.
B
Test gas supply pressure - OK?
1)
? yes:
↓
3.
no:
B
Decommission appliance.
B Notify gas company.
3. Problem with flue?
B
Check CO
2
level in combustion
air.
> 0,2 % CO
2
?
yes: B Check flue and repair or replace if necessary.
no:
↓
4.
4.
B
Remove silencer, flue pipe and
mixer unit.
Is internal flue pipe/silencer dirty or
clogged or are seals defective or
incorrectly fitted? yes:
B
Repair or replace components.
B Grease seal before fitting,
B
Make sure it is fitted in correct position.
no:
↓
5.
5. Flue gas CO
2
levels measured at
min. and max. load do not match
specified levels
1)
.
B Measure CO
2
levels.
yes:
B
Adjust CO
2
levels.
no:
B
Power OFF the appliance.
B Change the gas valve.
B
Turn ON the appliance.
1) See installation instructions