Desa BQMV24N - Manual (Page 13)

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TROUBLESHOOTING
WARNING: Turn off appliance 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.
POSSIBLE CAUSE REMEDY OBSERVED PROBLEM
1. Ignitor electrode not con-
nected to ignitor cable
2. Ignitor cable pinched or
wet
3. Broken ignitor cable
5. Bad piezo ignitor
6. Ignitor electrode positioned
wrong or broken
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 in-
correct
When ignitor button is pressed,
there is no spark at ODS/pilot
When ignitor button is pressed
in there is spark at ODS/pilot
but no ignition
1. Reconnect ignitor cable
2. Free ignitor cable if pinched
by any metal or tubing. Keep
ignitor dry
3. Replace ignitor cable
4. Replace piezo ignitor
5. Replace pilot assembly for
remote-ready units; replace
ignitor electrode for variable
manually controlled units
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 con-
trol knob. Repeat igniting op-
eration until air is removed
5. Contact local propane/LP gas
company
6. Clean ODS/pilot (see Cleaning
and Maintenance, page 12) or
replace ODS/pilot assembly
7. Replace gas regulator