Troubleshooting - Vanguard VP11 Owner's Operation And Installation Manual

Vent-free propane gas heater
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TROUBLE-
SHOOTING
Note:
All troubleshooting
items are listed in order of
operation.
Turn off heater and let cool before servicing. Only a qualified
service person should service and repair heater.
Never use a wire, needle, or similar object to clean ODS/pilot. This
can damage ODS/pilot unit.
OBSERVED
POSSIBLE
PROBLEM
CAUSE
When control knob is
1. Ignitor electrode posi-
pressed in and turned
to the PILOT/IGN po-
2. Ignitor electrode broken
sition, there is no
3. Ignitor electrode not con-
spark at ODS/pilot
4. Ignitor cable pinched or
5. Broken ignitor cable
6. Bad piezo ignitor
When control knob is
1. Gas supply turned off or
pressed in and turned
to the PILOT/IGN po-
sition, there is spark at
2. Control knob not pressed
ODS/pilot but no igni-
tion
3. Air in gas lines when in-
4. Depleted gas supply
5. ODS/pilot is clogged
6. Gas regulator setting is
!
WARNING
WARNING ICON
G 001
!
CAUTION
WARNING ICON
G 001
tioned wrong
nected to ignitor cable
wet
manual shutoff valve
closed
in while being turned to
PILOT/IGN position
stalled
not correct
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. Replace ignitor cable
6. Replace control valve (pi-
ezo is part of control
valve)
1. Turn on gas supply or
open manual shutoff
valve
2. Press in control knob
while turning to PILOT/
IGN position
3. Continue holding down
control knob. Repeat ig-
niting operation until air
is removed
4. Contact local propane gas
company
5. Clean ODS/pilot (see
C L E A N I N G A N D
MAINTENANCE, page
16) or replace ODS/pilot
assembly
6. Replace gas regulator
17

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