TROUBLE- SHOOTING

OBSERVED

POSSIBLE

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

Continued

When ignitor button is pressed, there is spark at ODS/pilot but no ignition

1.Gas supply turned off or manual 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 installed

5.Depleted gas supply

6.ODS/pilot is clogged

7.Gas regulator setting is not correct

1.Turn on gas supply or open manual shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down control knob. Repeat igniting operation until air is removed

5.Contact local propane gas company

6.Clean ODS/pilot (see Cleaning and Mainte- nance, page 21) or replace ODS/pilot assembly

7.Replace gas regulator

ODS/pilot lights but flame goes out when control knob is released

1.Control knob not fully pressed in

2.Control knob not pressed in long enough

3.Manual shutoff valve not fully open

4.Thermocouple connec- tion loose at control valve

5.Pilot flame not touch- ing thermocouple, which allows thermo- couple to cool, causing 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 dam- aged

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 manual shut-off valve

4.Hand tighten until snug, then tighten 1/4 turn more

5.A) Contact local propane gas company

B) Clean ODS/pilot (see Cleaning and Maintenance, page 21) or replace ODS/pilot assembly

6.Replace thermocouple

7.Replace control valve

22

Burner does not light

1. Burner orifice is

1. Clean burner (see

after ODS/pilot is lit

clogged

Cleaning and Mainte-

 

 

nance, page 21) or

 

 

replace burner orifice

100098

Page 22
Image 22
Desa CGP18B, RP30B installation manual TROUBLE- Shooting