30
Mexico Super RS485 - RS4125 -
Installation & Servicing
SERVICING
48 PRINTED CIRCUIT BOARD (PCB) REPLACEMENT
1.
Refer to Frame 37.
2. Remove the 2 screws and lift off the
lower front panel. Refer to Frame 31.
3.
Undo the PCB cover fixing screw and
remove the cover.
4.
Remove the HT lead from the PCB
5.
Remove the 6 push-in connectors
from the PCB.
6.
Compress the barbs on the PCB
stand-offs to release the PCB from
the box
7.
Fit the new PCB and reassemble in
reverse order.
8.
Refit the boiler casing.
9.
Check the operation of the boiler.
MEX 2325
6
4
3
5
SER
VICING
200942-1.p65
3/4/2004, 9:25 AM
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