Desa VN30BTA, VP30BTA, VP20BTA, VN20BTA Troubleshooting, Observed Problem, Possible Cause, Remedy

Models: VN20BTA VN30BTA VP20BTA VP30BTA

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Troubleshooting

Troubleshooting

OBSERVED PROBLEMWARNING:Turnoffandunplugheater andletcoolbefore servicing. Only a qualified service person should service and repair heater.

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

1.

Replace pilot assembly

 

there is no spark at ODS/pilot

2.

wrong

2.

Replace pilot assembly

 

Ignitor electrode broken

 

3.

Ignitor electrode not con-

3.

Reconnect ignitor cable

 

4.

nected to ignitor cable

4.

Free ignitor cable if pinched

 

Ignitor cable pinched or wet

 

 

 

 

by any metal or tubing. Keep

 

5.

Broken ignitor cable

5.

ignitor cable dry

 

Replace ignitor cable

 

6.

Bad ignitor

6.

Replace ignitor

 

7.

Battery not installed, battery

7.

Install new alkaline battery in

 

 

power low or battery not

 

electronic ignitor. Verify bat-

 

 

installed correctly

 

tery is installed correctly

 

 

 

 

 

When ignitor button is pressed,

1. Gas supply turned off or equip-

1.

Turn on gas supply or open

there is spark at ODS/pilot but

 

ment shutoff valve closed

2.

equipment shutoff valve

no ignition

2. Control knob not in PILOT

Turn control knob to PILOT

 

3.

position

3.

position

 

Control knob not pressed in

Press in control knob while in

 

4.

while in PILOT position

4.

PILOT position

 

Air in gas lines when in-

Continue holding down con-

 

 

stalled

 

trol knob. Repeat igniting op-

 

5.

Depleted gas supply (pro-

5.

eration until air is removed

 

Contact local propane/LP gas

 

6.

pane/LP gas only)

6.

company

 

ODS/pilot is clogged

Clean ODS/pilot (see Clean-

 

 

 

 

ing and Maintenance, page

 

 

 

 

16) or replace ODS/pilot as-

 

7.

Gas regulator setting is not

7.

sembly

 

Replace gas regulator

 

 

correct

 

 

 

113061-01F

www.desatech.com

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Desa VN30BTA, VP30BTA, VP20BTA, VN20BTA installation manual Troubleshooting, Observed Problem, Possible Cause, Remedy