
43
SERVICING
Ideal Logic Code Combi ES -
Installation and Servicing
3G9690
1.
Refer to Frame 43.
Note:
Ensure condensate trap is
fully drained before removal.
2.
Pull off the rubber pipe at the
sump drain.
3.
Disconnect the condensate
drain pipe.
4.
Turn the siphon clockwise to
disengage and lift to remove.
5.
Reassemble in reverse order.
6.
When reassembling ensure
the trap is full of water.
7.
Check operation of the boiler.
Refer to Frames 32 & 33.
53 CONDENsaTE TRap/sIphON REpLaCEMENT
54 MaIN pCB REpLaCEMENT
Note. Fit the earth strap provided with the PCB to
your wrist and secure to a suitable earth on the
boiler chassis.
1.
Refer to Frame 43.
2.
Note the control knob positions.
3.
Remove the 2 screws retaining the control box
cover.
4.
Carefully lift the 4 retaining clips and remove
control box cover.
5.
Unplug all lead connections to the PCB
including the ribbon cable (to facilitate ribbon
cable removal, ease side clips apart and pull
upwards), also where applicable, push the
small plastic clip with an electrical screwdriver
to facilitate plug removal.
6.
Spring out the two side retaining clips and
pull the PCB upwards to clear the 4 corner
retaining posts.
7.
Take the new Primary PCB and attach the
appropriate Boiler Chip Card (BCC) to it (this
should correspond to the output of the boiler:
ES26kW, ES33kW or ES38kW).
Note.
Ensure the correct orientation of BCC by
placing “TOP” side up as shown.
8.
Re-connect all plug connections.
9.
Reassemble in reverse order.
10. a.
Turn power on
b.
Displays “8” blue light on/off, “first digit
input”, “second digit input”, “1st letter
appliance type”, i.e. “2”, “6”, “c”
c.
Move knob to required setting (standby,
summer, winter)
Note.
If no BCC fitted on non programmed
board items
a
&
b
will be displayed then “Boiler
Type Card Fault - Contact Installer” The correct
BCC for this appliance will need to be fitted.
11.
Check operation of the boiler. Refer to Frames
32 & 33.
3
3
4
6
5
Plastic
Clip
5
2
Siphon
Ribbon
Cable
Connection
7
Note that production boiler PCBs are factory pre-set to operate for boiler range and output, but when ordering Primary PCB as a
spare, an additional Boiler Chip Card (BCC) MUST also be purchased for your specific boiler range and output.
s
ER
VICIN
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