Glow-worm Flexicom 18sx Installation & Service Guide

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45
Is the power switched on?
Switch the power on
Successful ignition
Check wires between
main PCB and display
PCB
Consult the State Table
Normal operation
Does the display flash 'F'
during or after a CH
demand?
Consult the Fault Table
Is there anything displayed
on the LCD?
Is the display flashing 'F'?
Initiate a CH demand.
Does the boiler light?
Adjust CH setpoint to 82
0
C
and make sure external
control is calling for a
demand. Does the boiler
light?
No No
Yes
Y
es
Yes
Yes
Yes
No
No
No
Yes
START
Yes
No
No
No
13012
Diagram 13.2
CENTRAL HEATING
13 Fault Finding

Glow-worm Flexicom 18sx Specifications

General

Model	Flexicom 18sx
Category	Boiler
Mounting	Wall Mounted
Output	18 kW
Fuel Type	Natural Gas
ErP Heating Efficiency Class	A
Central Heating Max Pressure	3 bar
Flue Options	Horizontal or vertical