62
FAULT FINDINg
F
AUL
T FINDIN
g
F
AUL
T FINDIN
g
F
AUL
T FINDIN
g
F
AUL
T FINDIN
g
F
AUL
T FINDIN
g
Ideal Logic
+
Combi -
Installation and Servicing
89 BOILER ChIp CARD FAULT - CONTACT INsTALLER
Is the correct BCC for the boiler securely inserted into the
slot at the front left of the PCB?
(identified by the label on the BCC)
YES
NO
Securely attach the correct BCC for the boiler
onto the PCB and after switching power on and
‘c0’ being shown, reset the boiler.
Note.
Ensure the correct orientation of BCC by
placing “TOP” side up.
Replace the BCC with a new BCC (that is correct for the
boiler). After switching power on and ‘c0’ being shown,
reset the boiler. Is ‘c2’ still shown?
Replace PCB
YES
90 NO Ch OpERATION BUT DhW WORKs OK
Is the mode knob in the Winter position?
YES
NO
Move the mode knob to the Winter position
Are the Timer and the Room Thermostat switched
on?
YES
NO
Switch the Timer and Room Thermostat On
Are the Radiator Valves Open?
YES
NO
Open the Radiator Valves
Is there 230Vac at (A)?
YES
NO
There is no Voltage from the Timer/Room Stat. This
is not boiler fault. Ensure Voltage is supplied to
boiler by rectifying external wiring.
Replace the Divertor Valve
A
REsET pROCEDURE
- To reset boiler, turn mode knob to reset position and immediately turn knob back to required setting.
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