7 181 465 347 (01.07)22
Rectifying faults
b1 flashing.
Code plug not detected.
Check Action
1. No fault or fault code FC displayed
on text display?
yes: B Power OFF the appliance.
B Fit code plug (correctly), making sure code
number (see Appendix) is correct.
B Turn ON the appliance.
b1? ↓2.
no: ↓2.
2. B Activate menu option Show serv-
ice parameters.
B Select 1.2 Code plug.
B Compare number displayed with
that shown in Appendix.
No number or incorrect number
(last three digits) displayed.
yes: ↓2.
no: ↓4.
3. Code plug loose, incorrect or defec-
tive.
B Power OFF the appliance.
B Replace code plug
1)
, making sure code number
is correct.
B Turn ON the appliance.
b1? ↓4.
1) For order no., refer to Appendix
4. 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.
To Next Page
Loading...
