FMI SVYD18NRA - Manual (Page 18)

www.fmiproducts.com 113084-01L 18
TROUBLESHOOTING
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.
POSSIBLE CAUSE
1. Ignitor electrode not con-
nected to ignitor cable
2. Ignitor cable pinched or
wet
3. Broken ignitor cable
4. Bad piezo ignitor
5. Ignitor electrode broken
6. Ignitor electrode positioned
wrong
1. Gas supply turned off or equip-
ment 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. ODS/pilot is clogged
6. Gas regulator setting is not
correct
7. Depleted gas supply (pro-
pane/LP only)
1. Control knob not fully
pressed in
2. Control knob not pressed in
long enough
3. Equipment shutoff valve not
fully open
4. Pilot flame not touching
thermocouple, which allows
thermocouple to cool, caus-
ing pilot flame to go out. This
problem could be caused by
one or both of the following:
A) Low gas pressure
B) Dirty or partially clogged
ODS/pilot
5. Thermocouple connection
loose at control valve
6. Thermocouple damaged
7. Control valve damaged
REMEDY
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 piezo ignitor
5. Replace pilot assembly
6. Replace pilot assembly
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. Clean ODS/pilot (see Cleaning
and Maintenance, page 17) or
replace ODS/pilot assembly
6. Replace gas control
7. Contact local propane/LP
gas company
1. Press in control knob fully
2. After ODS/pilot lights, keep
control knob pressed in 30
seconds
3. Fully open equipment shut-
off valve
4. A) Contact local propane/
LP or natural gas com-
pany
B) Clean ODS/pilot (see
Cleaning and Maintenance,
page 17) or replace ODS/
pilot assembly
5. Hand tighten until snug,
then tighten 1/4 turn more
6. Replace pilot assembly
7. Replace control valve
OBSERVED PROBLEM
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
ODS/pilot lights but flame
goes out when control knob
is released