New Buck Corporation 1127B Gas Heater User Manual


 
OBSERVED
PROBLEM
3. ODS/PILOT lights but flame
goes out when control knob
is released
4. Burner does not light after
ODS/Pilot is lit
POSSIBLE
PROBLEM
1. Control knob is not fully
pressed in
2. Control knob not pressed in
long enough
3. Safety interlock system has
been triggered (if equipped)
4. Manual shutoff valve not
fully open
5. Thermocouple connection
loose at control valve.
6. Pilot flame not touching
thermocouple, which allows
thermocouple to cool,
causing pilot flame to go
out. This problem can be
caused by one or both of the
following:
A) low gas pressure
B) dirty or partially
clogged ODS/Pilot
7. Control valve damaged
1. Burner orifice is clogged
2. Inlet gas pressure is too low
SOLUTION
1. Press control knob completely
2. After ODS/Pilot lights keep
control knob pressed 30
seconds
3. Wait 1 minute for safety
interlock system to reset.
4. Fully open manual shutoff
valve
5. Hand tighten until snug, then
tighten 1/4 turn
6. A) Contact local propane gas
company
B) Clean ODS/Pilot (See
“Cleaning and Maintenance”),
or replace ODS/Pilot
assembly
7. Replace valve control
1. Clean burner (see “Cleaning
and Maintenance”) or replace
burner orifice
2. Contact local propane gas
company
33