TROUBLESHOOTING

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

WARNING: Turn off and unplug heater and let cool before servic- ing. 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.

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

 

 

pilot

2. Ignitor electrode broken

2.

Replace pilot assembly

 

3.

Ignitor electrode not con-

3.

Reconnect ignitor cable

 

 

nected to ignitor cable

 

 

 

4.

Ignitor cable pinched or wet

4.

Free ignitor cable if pinched

 

 

 

 

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 (electronic ig-

 

tery is installed correctly

 

 

nition models only)

 

 

 

 

 

 

 

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 fully pressed in while pressing ignitor but- ton (non-thermostat models only)

Thermostat control knob not fully pressed in while pressing ignitor button (thermostat models only)

3.Air in gas lines when installed

4.Depleted gas supply (propane/ LP gas)

5.ODS/pilot is clogged

6.Gas regulator setting is not correct

7.Thermostat control knob is not in pilot position (thermostat models only)

1.Turn on gas supply or open equipment shutoff valve

2.Turn to PILOT/IGN position. Fully press in control knob while pressing ignitor button (non-thermostat models only) Fully press in thermostat con- trol knob while pressing igni- tor button (thermostat models only)

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

4.Contact local propane/LP gas company

5.Clean ODS/pilot (see Cleaning and Maintenance, page 19) or replace ODS/pilot assembly

6.Replace gas regulator

7.Turn thermostat control knob to pilot position

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Vanguard Heating VP22ITA, VP26TA VN30A, VP26A, VP16A, VP16ITA, VP16TA Troubleshooting, Observed Problem Possible Cause Remedy