IDEAL LOGIC + Combi 24 Installation And Servicing page 62

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)
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?
REsET pROCEDURE - To reset boiler, turn mode knob to reset position and immediately turn knob back to required setting.
90 NO Ch OpERATION BUT DhW WORKs OK
Is the mode knob in the Winter position?
Are the Timer and the Room Thermostat switched
on?
Are the Radiator Valves Open?
Is there 230Vac at (A)?
Replace the Divertor Valve
62
FAULT FINDINg
YES
YES
YES
YES
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.
YES
Replace PCB
NO
Move the mode knob to the Winter position
NO
Switch the Timer and Room Thermostat On
NO
Open the Radiator Valves
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.
Ideal Logic
+
Combi -
Installation and Servicing
A