Glow-worm Ultracom2 cxi - Manual (Page 55)

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MAINTENANCE
19.7 PCb
i When replacing the board refer to instructions
supplied with the spare part.
19.7.1 Main PCb
A
B
B C
4
3
1
2
1
Key
1 Control panel
2 Rear panel
3 Retainings clips
4 Main PCb
• Remove the 24V and 230V connections.
• Remove the rear panel (2).
• Ease back the two PCB retaining clips (3) and withdraw the
PCB from the retaining lugs.
• Remove the electrical connections to the PCB (appliance
interface cable).
• When refitting the rear panel, ensure the leads are not
trapped.
19.7.2 2A fuse Rating
• For access, refer to chapter "Main PCB".
• The fuse is located at top right hand side of the PCB, see
chapter "Electrical connection ►Wiring diagram".
19.7.3 User interface PCb
A
C
B
B
5
4
3
2
1
Key
1 User interface
2 Retaining slots
3 User interface PCb
4 Retainings clips
5 Control Panel
• Remove the user interface (1) easing back the two retaining
slots (2).
• Ease back the two PCB retaining clips (4) and withdraw the
PCB from the retaining lugs.
• Remove the electrical connections to the PCB.
• When refitting the user interface, ensure the leads are not
trapped.
19.7.4 Mains supply cable
e The main supply cable must be replaced by a
qualified and competent electrician.
• If the main supply cable is damaged, replace it refering to the
chapter "Electrical connection".