Form #44201150
-42- Sept
2010
30 seconds af
ter
st
artup, does the
amber neon indicator st
ay on in the control
box?
Ye
s
No
Is
the
ignition
module
properly
connected
to
the gas valve inside the control box?
Turn on all gas shut of
f valves up
stream
the control box.
Rep
air connection.
Is the grey wire securely
connected
to
the ignition module and the electrode?
Shut of
f gas supply
,
jumper air switch COM and NO, and call for heat.
Af
ter 20
seconds, is there continuous
sp
arking?
Ye
s
Check
the
gas
supply
to the control box. Is gas pressure greater than the minimum for the gas type?
Ye
s
No
Is
the
orifice
blocked?
No
Ye
s
Clear
the
blockage
at
the orifice.
No
Is the ceramic insulator OK on the sp
ark electrode?
No
Ye
s
Replace the sp
ark
electrode.
Is the sp
ark gap
3.5mm?
No
Ye
s
Adjust the sp
ark gap
to 3.5mm.
Replace the ignition module & ignition cable.
Troubleshooting continued from the previous p
age.
Rep
air connection.
Ye
s
No
Is the green/yellow wire securely connected to the electrode and earth?
Ye
s
No
Rep
air connection.
No
Ye
s
Troubleshooting
ends.
Check
the
sp
ark
gap.
Is it 3.5mm?
No
Ye
s
Adjust the sp
ark gap
to 3.5mm.
Has all the air been purged from the gas supply lines?
No
Ye
s
Purge the gas supply line.
Check the inlet pressure to the gas valve. Is it between minimum and maximum for the gas type?
No
Ye
s
Adjust supply gas pressure. Rest
art
troubleshooting.
Check the manifold gas pressure during st
artup. Is it zero
inches?
Ye
s
No
Replace gas valve.
Af
ter an initial step
opening, is the manifold
gas
pressure
correct?
No
Ye
s
Adjust manifold gas pressure. Rest
art
troubleshooting.
Call factory for assist
ance.
Check orifice and holder for blockage (i.e. spider web). Is there any blockage?
Ye
s
No
Clear blockage.
Is the step opening setting correct?
Ye
s
No
Correct the setting.
