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 connected

3.

Reconnect ignitor cable

 

 

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 piezo ignitor

6.

Replace piezo

 

7.

Piezo ignitor nut is loose

7.

Tighten nut holding piezo

 

 

 

 

ignitor. Nut is located inside

 

 

 

 

heater cabinet at top

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.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 operation until air is removed

5.Contact local propane/LP gas company

6.Clean ODS/pilot (see Cleaning and Maintenance, page 15) or replace ODS/pilot assembly

7.Replace gas regulator

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Desa GWP10 GWN10T installation manual Troubleshooting, Observed Problem Possible Cause Remedy

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