7 181 465 347 (01.07)
32
Rectifying faults
F 0
(and possibly
) flashing.
Internal failure
Check
Action
1.
B
Activate menu option
Show service parameters
.
B
Select
9.3 GFA-Asic-error
.
A message is displayed.
B
Record figure displayed in service report.
2.
B
Select
5.2 GFA status / error
.
A message is displayed.
B
Record figure displayed in service report.
3.
B
Select
Settings -> Service ->
Further options -> Fault history
.
Other faults apart from
F0
dis-
played?
yes:
B
Deal with fault(s) displayed as instructed in rele-
vant fault table(s) .
no:
4.
flashing?
yes:
B
Press button
.
B
Initiate demand for heat by pressing the
. but-
ton and then cancel after 30 seconds by pressing
the button again.
B
Initiate demand for heat twice more as described
above.
F0?
no:
5.
The PCB control board is damaged.
B
Power OFF the appliance.
B
Disconnect the boiler electrical connection.
B
Change PCB control board.
B
Reconnect the boiler electrical connection.
B
Turn ON the appliance.
Summary of Contents for GREENSTAR HE combi Series
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Page 175: ...7 181 465 347 01 07 Appendix 51...
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