OWNER’S MANUAL

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

When ignitor button is pressed, there is no

1.

Ignitor electrode not connected to igni-

1.

Reconnect ignitor cable

spark at pilot (GA9000 Only)

 

tor cable

 

 

 

2.

Ignitor cable pinched or wet

2.

Free ignitor cable if pinched by any

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

3.

Bad ground on piezo ignitor

3.

Scrape away paint on bracket for better

 

 

 

 

contact with ground on piezo ignitor

 

4.

Broken ignitor cable

4.

Replace ignitor cable

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

6.

Ignitor electrode broken

6.

Replace electrode

 

7.

Ignitor electrode positioned wrong

7.

Reposition electrode

 

 

 

 

 

When ignitor button is pressed, there is

1.

Gas supply turned off or manual shutoff

1.

Turn on gas supply or open manual

spark at pilot but no ignition (GA9000 Only)

 

valve closed

 

shutoff valve

 

2.

Control knob not in PILOT position

2.

Turn control knob to PILOT position

 

3.

Control knob not pressed in while in

3.

Press in control knob while in PILOT

 

 

PILOT position

 

position

 

4.

Air in gas lines when installed

4.

Continue holding down control knob.

 

 

 

 

Repeat igniting operation until air is re-

 

 

 

 

moved

 

5.

Pilot adjustment screw closed

5.

Adjust pilot flame for approximately

 

 

 

 

2" blue flame

 

6.

Pilot is clogged

6.

Clean pilot (see Cleaning and Mainte-

 

 

 

 

nance, page 20) or replace pilot assembly

 

7.

Low gas pressure

7.

Replace gas control

 

 

 

 

 

Pilot lights but flame goes out when control

1.

Control knob not fully pressed in

1.

Press in control knob fully

knob is released (GA9000 Only)

2.

Control knob not pressed in long enough

2.

After pilot lights, keep control knob

 

 

 

 

pressed in 30 seconds

 

3.

Manual shutoff valve not fully open

3.

Fully open manual shut-off valve

 

4.

Pilot flame not touching thermocouple,

4.

A) Contact local natural gas company

 

 

which allows thermocouple to cool,

 

 

 

 

causing pilot flame to go out. This prob-

 

B) Clean pilot (see Cleaning and Mainte-

 

 

lem could be caused by one or both of

 

nance, page 20) or replace pilot assembly

 

 

the following:

 

 

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially clogged pilot

 

 

 

5.

Thermocouple connection loose at con-

5.

Hand tighten until snug, then tighten

 

 

trol valve

 

1/4 turn more

 

6.

Thermocouple damaged

6.

Replace thermocouple

 

7.

Control valve damaged

7.

Replace control valve

 

 

 

 

 

Burner does not light after pilot is lit

1.

Burner orifice clogged

1.

Clean burner orifice

(GA9000 Only)

2.

Inlet gas pressure is too low

2.

Contact local natural or propane/LP gas

 

 

 

 

company

 

3.

Burner orifice diameter is too small

3.

Replace burner orifice

 

4.

Thermocouple leads disconnected or im-

4.

Reconnect leads

 

 

properly connected

 

 

 

 

 

 

 

Delayed ignition burner (GA9000 Only)

1.

Pilot flame needs adjusting

1.

Adjust pilot flame for approximately

 

 

 

 

2" blue flame

 

2.

Wrong pilot orifice

2.

Replace pilot orifice set

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Page 15
Image 15
Desa CVDR24, CPVSR18, CVSR18, CVSR24, CPVSR24, CVDR18, and CVDR30 installation manual Clean pilot see Cleaning and Mainte

CPVSR18, and CVDR30, CPVSR24, CVSR24, CVDR24 specifications

Desa CVSR18, CVDR18, CVDR24, CVSR24, and CPVSR24 are a range of advanced heating solutions designed for various industrial and commercial applications. These systems combine a sophisticated blend of technology, efficiency, and ease of use, making them ideal for maintaining optimal thermal comfort.

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