Worcester ZWBR 7-30 R 30 HE PLUS COMBI User Manual

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7 181 465 347 (05.01)
26
Rectifying faults
Error E9
E9 and flashing.
Safety temperature limiter has tripped.
Check Action
1. Is the heating pressure between 1 and
2 bar?
yes:
↓
2.
no: B Top up system.
B Vent appliance.
B Press , restart the appliance.
E9? ↓
2.
2. Is the pump seized? yes: B Unblock the pump.
If pump won’t start:
B Power OFF the appliance.
B Disconnect the boiler electrical connection.
B Drain appliance.
B Change the pump (see chapter
5.4).
B Fill system, bleed and re-pressurise (see Installa-
tion Instructions).
B Reconnect the boiler electrical connection.
B Turn ON the appliance.
B Press , restart the appliance.
E9? ↓
3.
no:
↓
3.
3. Lead disconnected from safety tem-
perature limiters?
yes: B Power OFF the appliance.
B Reconnect lead.
B Turn ON the appliance.
B Press , restart the appliance.
E9? ↓
4.
no:
↓
4.
4. B Power OFF the appliance.
B Unplug the connector from the cut-
off device.
B Measure the of cut-off device for
continuity.
Resistance very high?
yes: B Change the over heating cut-off device.
B Connect flue gas safety temperature limiter lead.
B Turn ON the appliance.
B Press , restart the appliance.
E9? ↓
5.
no: B Connect flue gas safety temperature limiter lead.
B Turn ON the appliance.
E9? ↓
5.

Worcester ZWBR 7-30 R 30 HE PLUS COMBI Specifications

General

Brand	Worcester
Model	ZWBR 7-30 R 30 HE PLUS COMBI
Category	Boiler
Language	English