Troubleshooting - Superior TF18NV Installation And Operation Instructions Manual

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.
Note: All troubleshooting items are listed in order of operation.
OBSERVED PROBLEM
E mb ers wo n 't s ta y on
burner
When ignitor button is
pressed, there is no spark
at ODS/pilot
When ignitor button is
pressed, there is spark at
ODS/pilot but no ignition
30

TROUBLESHOOTING

POSSIBLE CAUSE
1. Ember placement
1. Ignitor electrode not con-
nected to ignitor cable
2. Ignitor cable pinched or
wet
3. Broken ignitor cable
4. Bad ignitor
5. Ignitor electrode positioned
wrong
6. Ignitor electrode broken
7. Battery not installed, battery
power low or battery not in-
stalled correctly (electronic
ignition models only)
1. Gas supply turned off or
equipment 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 in-
stalled
5. Depleted gas supply (pro-
pane/LP only)
6. ODS/pilot is clogged
7. Gas regulator setting is not
correct
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REMEDY
1. Overlap ember material
1/4" (see page 26)
1. Reconnect ignitor cable
2. Free ignitor cable if pinched
by any metal or tubing.
Keep ignitor cable dry
3. Replace ignitor cable
4. Replace ignitor
5. Replace pilot assembly
6. Replace pilot assembly
7. Install new alkaline bat-
tery in electronic ignitor.
Verify battery is installed
correctly
1. Turn on gas supply or open
equipment 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 ignit-
ing operation until air is
removed
5. Contact local propane/LP
gas company
6. Clean ODS/pilot (see Clean-
ing and Maintenance, page
27) or replace ODS/pilot
assembly
7. Replace gas regulator
126817-01A