Cedar Ridge MTF4TPU Manual Del Usuario página 26

Problem
When ignitor button is
pressed in there is a
spark at ODS/pilot but
no ignition.
ODS/pilot lights but flame
goes out when control
knob is released.
Burner(s) does not light
after ODS/pilot is lit.
Delayed ignition of
burner(s).
Burner backfiring during
combustion
26
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TROUBLESHOOTING
Possible Cause
1. Gas supply is turned off or
equipment shutoff valve is
closed.
2. C o n t r o l k n o b n o t f u l l y
pressed in while pressing
ignitor button.
3. Air in gas lines when in-
stalled.
4. ODS/pilot is clogged.
5. Incorrect inlet gas pressure
or inlet regulator is damaged.
6. Control knob not in PILOT
position.
7. Depleted gas supply (pro-
pane).
1. Control knob is not fully
pressed in.
2. Control knob is not pressed
in long enough.
3. Equipment shutoff valve is
not fully open.
4. Thermocouple connection is
loose at control valve.
5. 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
6. Thermocouple damaged.
7. Control valve damaged.
1. Burner orifice is clogged.
2. Burner orifice diameter is too
small.
3. Inlet gas pressure is too low.
1. Manifold pressure is too low.
2. Burner orifice is clogged.
1. Burner orifice is clogged or
damaged.
2. Burner is damaged.
3. Gas regulator is damaged.
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Corrective Action
1. Turn on gas supply or open
equipment shutoff valve.
2. Fully press in control knob
while pressing ignitor button.
3. Continue holding down con-
trol knob. Repeat igniting op-
eration until air is removed.
4. Clean ODS/pilot (see Care
and Maintenance, page 24) or
replace ODS/pilot assembly.
5. Check inlet gas pressure or
replace inlet gas regulator.
6. Turn control knob to PILOT
position.
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 shutoff
valve.
4. Hand tighten until snug, and
then tighten 1/4 turn more.
5. A) Contact local natural or
propane/LP gas company
B) Clean ODS/pilot (see
Care and Maintenance, page
24) or replace ODS/pilot as-
sembly
6. Replace thermocouple.
7. Replace control valve.
1. Clean burner orifice (see
Care and Maintenance, page
24) or replace burner orifice.
2. Replace burner orifice.
3. Contact local gas supplier.
1. Contact local gas supplier.
2. Clean burner (see Care and
Maintenance, page 24) or
replace burner orifice.
1. Clean burner orifice (see
Care and Maintenance, page
24) or replace burner orifice.
2. Contact customer service.
3. Replace gas regulator.
200032-01A