TROUBLESHOOTING

WARNING: Turn off heater and let cool before servicing. 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 not con-

1.

Reconnect ignitor cable

there is no spark at ODS/pilot

 

nected to ignitor cable

2.

Free ignitor cable if pinched

 

2.

Ignitor cable pinched or wet

 

 

 

 

by any metal or tubing. Keep

 

 

 

 

ignitor cable dry

 

3.

Piezo ignitor nut is loose

3.

Tighten nut holding piezo ignitor

 

 

 

 

to base panel of log set. Nut is

 

 

 

 

located behind base panel

 

4.

Broken ignitor cable

4.

Replace ignitor cable

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

6.

Ignitor electrode positioned

6.

Replace pilot assembly

 

 

wrong

7.

Replace pilot assembly

 

7.

Ignitor electrode broken

When ignitor button is pressed, there is spark at ODS/pilot but no ignition

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

2.Control knob not in PILOT position

3.Control knob not pressed in while in PILOT position

4.Air in gas lines when in- stalled

5.Depleted gas supply (propane/ LP only)

6.ODS/pilot is clogged

7.Gas regulator setting is not correct

1.Turn on gas supply or open equipment shutoff valve

2.Turn control knob to PILOT position

3.Press in control knob while in PILOT position

4.Continue holding down con- trol knob. Repeat igniting op- eration until air is removed

5.Contact local propane/LP gas company

6.Clean ODS/pilot (see Clean- ing and Maintenance, page

21)or replace ODS/pilot as- sembly

7.Replace gas control

113896-01A

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Desa CF26PTA installation manual Troubleshooting, Observed Problem Possible Cause Remedy