Supplied By www.heating spares.co Tel. 0161 620 6677
7 181 465 347 (05.01)
23
Rectifying faults
Error C1
C1 flashing.
Fan speed too low
Check Action
1. Fan lead connector properly con-
nected?
yes: ↓2.
no: B Power OFF the appliance.
B Plug in connector.
B Turn ON the appliance.
C1? ↓2.
2. Is fan lead defective?
B Measure the fan lead for
continuity.
Is there continuity for each one of
the cores?
yes: ↓3.
no: B Power OFF the appliance.
B Replace fan lead.
B Turn ON the appliance.
C1? ↓3.
3. Fan defective. yes: B Power OFF the appliance.
B Unplug the connection wire.
B Replace fan.
B Plug the connection wire.
B Turn ON the appliance.
C1? ↓4.
no: ↓4.
4. The PCB control board is damaged. B Make a note of the altered service function set-
tings (see table 1 on page 7) in order to keep
the altered values.
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.