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 connected

1.

Reconnect ignitor cable

 

there is no spark at ODS/pilot

2.

to ignitor cable

2.

Free ignitor cable if pinched

 

Ignitor cable pinched or wet

 

 

 

 

by any metal or tubing. Keep

 

3.

Electronic ignitor battery is

3.

ignitor cable dry

 

Replace battery

 

4.

weak

4.

Replace ignitor cable

 

Broken ignitor cable

 

5.

Bad electronic ignitor

5.

Replace electronic ignitor

 

6.

Ignitor electrode positioned

6.

Replace pilot assembly

 

 

wrong or broken

 

 

 

 

 

 

 

 

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

 

 

stalled

 

control knob. Repeat ig-

 

 

 

 

niting operation until air is

 

5.

Depleted gas supply (propane/

5.

removed

 

Contact local propane/LP gas

 

6.

LP only)

6.

company

 

ODS/pilot is clogged

Clean ODS/pilot (see Cleaning

 

 

 

 

and Maintenance, page 14) or

 

7.

Gas regulator setting is not

7.

replace ODS/pilot assembly

 

Replace gas regulator

 

 

correct

 

 

 

111826-02J

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Design Dynamics VTD-18N-PDG installation manual Troubleshooting, Observed Problem Possible Cause Remedy