Desa FVFM27PR installation manual Troubleshooting, Observed Problem, Possible Cause, Remedy

Models: FVFM27PR

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Troubleshooting

Troubleshooting

OBSERVED PROBLEM WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

POSSIBLE CAUSE 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

2.

nected to ignitor cable

2.

Free ignitor cable if pinched

 

Ignitor cable pinched or wet

 

 

 

 

by any metal or tubing. Keep

 

3.

Piezo ignitor nut is loose

3.

ignitor cable dry

 

Tighten nut holding piezo ignitor

 

 

 

 

to base panel of log set. Nut is

 

4.

Broken ignitor cable

4.

located behind base panel

 

Replace ignitor cable

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

6.

Ignitor electrode broken

6.

Replace pilot assembly

 

7.

Ignitor electrode positioned

7.

Replace pilot assembly

 

 

wrong

 

 

 

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 con-

 

 

stalled

 

trol knob. Repeat igniting op-

 

5.

Depleted gas supply (pro-

 

eration until air is removed

 

5. Contact local propane/LP gas

 

6.

pane/LP gas)

6.

company

 

ODS/pilot is clogged

Clean ODS/pilot (see Clean-

 

 

 

 

ing and Maintenance, page

 

 

 

 

20) or replace ODS/pilot

 

7.

Gas regulator setting is not

7.

assembly

 

Replace gas control

 

 

correct

 

 

 

22

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108382-01G

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Desa FVFM27PR installation manual Troubleshooting, Observed Problem, Possible Cause, Remedy