Desa VC42N, CGCDV42NR, VC42P, CGCDV42PR Troubleshooting, Observed Problem, Possible Cause, Remedy

Models: (V)VC42P, CGCDV42PR VC42N, CGCDV42NR, VC42P, CGCDV42PR

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Troubleshooting

Troubleshooting

OBSERVED PROBLEM WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

POSSIBLE CAUSE CAUTION: Never use a wire, needle or similar object to clean pilot. This can damage pilot unit.

Note: All troubleshooting items are listed in order of operation.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

When ignitor button is pressed,

1. Ignitor electrode not con-

1.

Reconnect ignitor cable

there is no spark at pilot

2.

nected to ignitor cable

2.

Free ignitor cable if pinched

 

Ignitor cable pinched or wet

 

 

 

 

by any metal or tubing. Keep

 

3.

Piezo ignitor nut is loose

3.

ignitor cable dry

 

Tighten nut holding piezo

 

 

 

 

ignitor. Nut is located behind

 

4.

Broken ignitor cable

4.

the mounting bracket

 

Replace ignitor cable

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

6.

Ignitor electrode broken

6.

Replace pilot assembly

 

7.

Ignitor electrode positioned

7.

Tighten electrode. Replace if

 

 

wrong

 

necessary

 

 

 

 

 

When ignitor button is pressed,

1. Gas supply turned off or equip-

1.

Turn on gas supply or open

there is spark at pilot but no

 

ment shutoff valve closed

2.

equipment shutoff valve

ignition

2. Gas control knob not in PI-

Turn gas control knob to PILOT

 

3.

LOT position

3.

position

 

Gas control knob not pressed

Press in gas control knob while

 

4.

in while in PILOT position

4.

in PILOT position

 

Air in gas lines when in-

Continue holding down con-

 

 

stalled

 

trol knob. Repeat igniting

 

5. Depleted gas supply (propane/

 

operation until air is removed

 

5. Contact local propane/LP gas

 

6.

LP models only)

6.

company

 

Pilot is clogged

Clean pilot (see Cleaning and

 

 

 

 

Maintenance, page 31) or re-

 

7.

Gas regulator setting is not

7.

place pilot assembly

 

Replace gas regulator

 

 

correct

 

 

 

116236-01E

www.desatech.com

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Desa VC42N, CGCDV42NR, VC42P, CGCDV42PR, (V)VC42P, CGCDV42PR Troubleshooting, Observed Problem, Possible Cause, Remedy