Worcester ZWBR 7-30 R 30 HE PLUS COMBI Service Booklet page 35

FC
flashing.
Text display module not detected
Check
1. No fault or fault code FC displayed
on text display?
B Unplug text display module con-
2.
nector.
B Connecting lead between text dis-
play module and Heatronic OK.?
3. Text display module defective.
Fd
and flashing.
Reset button pressed inadvertently
Check
1.
flashing?
2. The PCB control board is damaged.
7 181 465 347 (05.01)
Supplied By www.heating spares.co Tel. 0161 620 6677
Action
B Power OFF the appliance.
B Fit code plug (correctly), making sure code
number is correct (see Appendix).
B Turn ON the appliance.
FC? ↓2.
B Plug in connector.
yes:
FC? ↓3.
B Replace text display module.
no:
FC? ↓3.
B Replace text display module.
Action
B Press
, restart the appliance.
Fd? ↓2.
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.
Rectifying faults
Error FC
35