Desa CGN12 installation manual Flame to go out. This

OBSERVED	POSSIBLE
PROBLEM	CAUSE	REMEDY

When control knob is pressed in and turned to the PILOT/IGN po- sition, there is spark at ODS/pilot but no igni- tion

1.Gas supply turned off or manual shutoff valve closed

2.Control knob not pressed in while being turned to PILOT/IGN position

3.Air in gas lines when installed

4.ODS/pilot is clogged

5.Gas regulator setting is not correct

1.Turn on gas supply or open manual shutoff valve

2.Press in control knob while turning to PILOT/ IGN position

3.Continue holding down control knob. Repeat ig- niting operation until air is removed

4.Clean ODS/pilot (see

C L E A N I N G A N D M A I N T E N A N C E , page 17) or replace ODS/pilot assembly

5.Replace gas regulator

18

ODS/pilot lights but	1.	Control knob not fully				1.	Press	in control	knob
flame goes out when		pressed in					fully
control knob is	2.	Control		knob	not	2.	After ODS/pilot lights,
released		pressed in long enough					keep	control	knob
							pressed in 10 seconds
	3.	Manual shutoff			valve	3.	Fully open manual shut-
		not fully open					off valve
	4.	Thermocouple connec-				4.	Hand tighten until snug,
		tion	loose at control				then	tighten 1/4	turn
		valve					more
	5.	Pilot flame not touching				5.	A) Contact local natural
		thermocouple,			which		gas company
		allows thermocouple to
		cool,	causing		pilot		B) Clean ODS/pilot (see
		flame to go out. This					C L E A N I N G A N D
		problem		could be			M A I N T E N A N C E ,
		caused by one or both of					page	17) or replace
		the following:					ODS/pilot assembly
		A) Low gas pressure
		B) Dirty		or partially
		clogged ODS/pilot
	6.	Thermocouple			dam-	6.	Replace thermocouple
		aged
	7.	Control valve damaged				7.	Replace control valve

Continued