Glow-worm 18hx - Page 46

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14 Fault Finding
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Diagram 14.4
GAS
CONTROL
VALVE
HEATING FLOW
THERMISTOR
HEATING
RETURN
THERMISTOR
FAN
IGNITION
ELECTRODE
IGNITER
UNIT
MAIN CONTROL
BOARD
APPLIANCE
INTERFACE
BOARD
FLEXICOM HX
g/y
r
bk
gy
w
bk
bk
b
r
w
y
b
br
b
g/y
w
bk
b
r
g/y
br
g/y
b
r
r
br
b
gy
w
r
g/y
br BROWN
b BLUE
g/y GREEN/YELLOW
g GREEN
gy GREY
bk BLACK
y YELLOW
pk PINK
p PURPLE
or ORANGE
w WHITE
r RED
KEY