14 fault finding – Glow-worm Ultracom sxi User Manual
Page 46
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46
14 Fault Finding
13167
Diagram 14.4
br
b
g/y
br
b
g/y
GAS
CONTROL
VALVE
HEATING
FLOW
THERMISTOR
HEATING
RETURN
THERMISTOR
FAN
PUMP
CHASSIS
EARTH
IGNITION
ELECTRODE
WATER
PRESSURE
SENSOR
IGNITER
UNIT
MAIN CONTROL
BOARD
APPLIANCE
INTERFACE
BOARD
bk
r
bk
b
w
gy
b
y
w
r
g/y
g/y
br
b
g/y
w
bk
b
r
bk
b
r
bk
r
br
BROWN
b
BLUE
g/y
GREEN/YELLOW
gy
GREY
bk
BLACK
y
YELLOW
p
PURPLE
or
ORANGE
w
WHITE
r
RED
KEY
w
or
p
bk
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