Glow-worm Ultrapower sxi - Manual (Page 54)

54
RETAINING
CLIPS
CONTROL
BOX
14.33 Access to Control Box Internals
For access, refer to section 14.1.
Carefully pull the control box forwards so that it lies
horizontally in its hinges.
Do not allow the front of the control box to swing down and be
loosely held by its electrical connections.
Release the four retaining clips, see diagram 14.27, to
remove the rear cover and gain access to the electrical
connections, main PCB and appliance interface PCB.
14.34 Main PCB
For access, refer to section 14.33.
Remove the electrical connections to the PCB.
Ease back the four PCB retaining clips and withdraw the PCB
from the retaining lugs, see diagram 14.28.
When refitting the control box cover ensure the leads do not
become trapped.
14.35 Fuse, Main PCB - Control Box
For access, refer to section 14.33.
The fuse is located at top left hand side of the main PCB, see
diagram 14.28.
14.36 User Interface
Refer to section 14.33 for access.
Remove the main PCB, refer to section 14.34.
Remove the electrical connection.
Gently ease back the retaining clips, see diagram 14.29.
Withdraw the board.
When replacing the board refer to instructions supplied with
replacement PCB.
14.37 Boiler Module Front Casing Panel Seal
Remove the seal and thoroughly clean the casing surface
before fitting the new seal, see diagram 12.15.
Refit the casing panel.
NOTE: Ensure the seal is fitted correctly giving an airtight
joint.
14 Replacement of Parts
Diagram 14.29
MAIN PCB
RETAINING
CLIP (4 OFF)
ELECTRICAL
CONNECTION
RETAINING
LUG (2 OFF)
FUSE
Diagram 14.28
13372
Diagram 14.27
13446
APPLIANCE
INTERFACE
PCB
RETAINING
CLIPS
ELECTRICAL
CONNECTION
13355