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VANGUARD VP5C AND VP10
PROPANE/LP GAS HEATERS
TROUBLESHOOTING
Note: All troubleshooting items
are listed in order of operation.
OBSERVED PROBLEM
When ignitor button is pressed and control
knob is pressed in and turned to the PILOT
position, there is no spark at ODS/pilot
When ignitor button is pressed and control
knob is pressed in and turned to the PILOT
position, there is spark at ODS/pilot but no
ignition
WARNING: Turn off heater and let cool before servicing. Only a
qualified service person should service and repair heater.
CAUTION: Never use a wire, needle, or similar object to clean ODS/
pilot. This can damage ODS/pilot unit.
POSSIBLE CAUSE
1.
Ignitor electrode positioned wrong
2.
Ignitor electrode broken
3.
Ignitor electrode not connected to ig-
nitor cable
4.
Ignitor cable pinched or wet
5.
Piezo ignitor nut is loose
6.
Broken ignitor cable
7.
Bad piezo ignitor
1.
Gas supply turned off or manual shutoff
valve closed
2.
Control knob not in PILOT position
3.
Control knob not pressed in while in
PILOT position
4.
Air in gas lines when installed
5.
Depleted gas supply
6.
ODS/pilot is clogged
7.
Gas regulator setting is not correct
12
REMEDY
1.
Replace ignitor
2.
Replace ignitor
3.
Reconnect ignitor cable
4.
Free ignitor cable if pinched by any
metal or tubing. Keep ignitor cable dry
5.
Tighten nut holding piezo ignitor to
heater cabinet. Nut is located inside
heater cabinet at top
6.
Replace ignitor cable
7.
Replace piezo ignitor
1.
Turn on gas supply or open manual
shutoff valve
2.
Turn control knob to PILOT position
3.
Press in control knob while in PILOT
position
4.
Continue holding down control knob.
Repeat igniting operation until air is
removed
5.
Contact local propane/LP gas company
6.
Clean ODS/pilot (see Cleaning and
Maintenance, page 11) or replace ODS/
pilot assembly
7.
Replace gas regulator
101850
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