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7 181 465 347 (05.01)
31
Rectifying faults
Error EA
17.
Check if the 20-pin connector lead
assembly is damaged.
B
Power OFF the appliance.
B
Change the 20-pin connector lead assembly.
B
Turn ON the appliance.
B
Press
, restart the appliance.
EA?
↓
18.
18.
The PCB control board is damaged.
B
Make a note of the altered service settings (see
table 1 on page 7).
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.
B
Restore service settings previously noted down.
1)
See installation instructions
EA
and
flashing.
During operation: flame not detected
Check
Action
