Installation Guide
www.usaprocom.com
27200199-01B
TROUBLESHOOTING
Problem Possible Cause Corrective Action
When ignitor button is 
pressed in  there is  a 
spark at ODS/pilot but 
no ignition.
1. Gas  supply is  turned off or 
equipment  shutoff  valve  is 
closed.
2. Control  knob  not  fully 
pressed  in  while  pressing 
ignitor button.
3. Air in gas lines (new instal-
lation or recent gas interrup-
tion).
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. 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.
ODS/pilot lights but ame 
goes out when control 
knob is released.
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 ame 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. 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 assembly 
6. Replace thermocouple.
7. Replace control valve.
Burner(s) does not light 
after ODS/pilot is lit
1. Burner orice is clogged.
2. Inlet gas pressure is too low.
1. Clean  burner  orifice  (see 
Care and Maintenance, 
page 24).
2. Contact local gas supplier.
Delayed  ignition  of 
burner(s).
1. Manifold pressure is too low.
2. Burner orice is clogged.
1. Contact local gas supplier.
2. Clean burner (see Care and 
Maintenance, page 24).










