TROUBLESHOOTING

WARNING:Turnoffandunplugheaterandletcoolbeforeservicing. Only a qualified service person should service and repair heater.

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

in, there is no spark at ODS/

 

wrong

2.

Replace pilot assembly

pilot

2. Ignitor electrode broken

 

3.

Ignitor electrode not con-

3.

Reconnect ignitor cable

 

 

nected to ignitor cable

4.

Free ignitor cable if pinched

 

4.

Ignitor cable pinched or wet

 

 

 

 

by any metal or tubing. Keep

 

 

 

 

ignitor cable dry

 

5.

Broken ignitor cable

5.

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 in-

 

electronic ignitor. Verify bat-

 

 

stalled correctly

 

tery is installed correctly. See

 

 

 

 

page 9

When ignitor button is pressed in, there is a spark at ODS/Pilot but no ignition

1.Gas supply turned off or equip- ment shutoff valve closed

2.Pilot knob not fully pressed in while pressing ignitor button

3.Air in gas lines when in- stalled

4.Depleted gas supply (propane/ LP gas)

5.ODS/pilot is clogged

6.Gas regulator setting is not correct

1.Turn on gas supply or open equipment shutoff valve

2.Turn to PILOT/IGN position. Fully press in pilot knob while pressing ignitor button

3.Continue holding down pilot knob. Repeat igniting opera- tion until air is removed

4.Contact local propane/LP gas company

5.Clean ODS/pilot (see Cleaning and Maintenance, page 16) or replace ODS/pilot assembly

6.Replace gas regulator

113261-01A

www.desatech.com

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Desa VTN25R, VTP22R, CTR22PR, CTR25NR installation manual Troubleshooting, Observed Problem Possible Cause Remedy

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