Form #44201150
Sept 2010
-41-
17.0)
TROUBLESHOOTING GUIDE
Turn on power and thermost
at. Does the
red neon indicator come
on
in
the
control
box?
Ye
s
No
Is there 230V between L and N on Power In section of the terminal block in the control box?
Ye
s
No
Are the brown lead wire and blue lead wire terminals securely on the red neon indicator?
No
Ye
s
Replace
the
red
neon
indicator
.
Rep
air connection.
Check power volt
age
at thermost
at and
rep
air fault.
Is the fan on?
Ye
s
No
Are there any loose or wrong wire connections at the fan?
Ye
s
No
Rep
air connection.
Is there 230V between L and N on Fan section of the terminal block in the control box?
Does
the
amber
neon
indicator come on in the control box?
Ye
s
No
Troubleshooting continued
on
the
next
page.
No
Ye
s
Is the terminal block properly
connected
to
the ignition module?
Disconnect
the
power
and
check
motor
lead
wires.
Any wire
broken?
Ye
s
No
Rep
air broken wires.
Replace motor
Is there any loose or wrong connection at the terminal block in the control box?
Ye
s
No
Rep
air connection.
Is there 230V across terminals on the red neon indicator?
No
Ye
s
Rest
art
troubleshooting.
No
Ye
s
Rep
air connection.
Is there 230V between
terminal
5
of
the terminal block of the ignition module and earth?
No
Ye
s
Replace ignition module.
Check the continuity between terminal 5 and terminal L to fan. Rep
air connection if
necessary
.
Are the violet lead wire and blue lead wire terminals securely
on
the
amber
neon indicator?
No
Ye
s
Rep
air connection.
Check the blue wire connection between amber neon indicator and
terminal
block.
Is
there any loose connection?
Check the violet wire connection between amber neon indicator and
air
switch.
Is
there
any loose connection?
Ye
s
No
Rep
air connection.
Note: when troubleshooting inside the control box, shut of
f gas valve and rest
art the power to the control box. Othewise, the c
ontrol box should be inst
alled with it
s lid.
Ye
s
No
Rep
air connection.
Is the air hose properly inst
alled
between air switch and test nipple on air plate?
No
Ye
s
Rep
air connection.
Is their any blockage in
the
fresh
air
duct
or
in
the
exhaust
venting
duct?
Ye
s
No
Remove blockage.
Jumper the NO and COM at air switch. Does
the
amber
neon
indicator come on?
Ye
s
No
Replace air switch.
Replace amber neon indicator
.
