Troubleshooting – Desa DVF36TCR User Manual

Page 30

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112108-01C

30

REMEDY

1. Replace ignitor if wire is prop-

erly connected and you have

no spark

2. Using a match, light pilot. If pi-

lot lights turn off pilot and push

piezo again. If pilot lights, an

improper gas/air mixture cause

improper lighting and a longer

purge period is recommended. If

pilot will not light, check gap at

electrode and pilot. Gap should

be 1/8" for strong spark. If elec-

trode is okay, replace pilot

3.

LP only:

Check fuel supply

and contact local propane/LP

supplier if low.

LP and Natural:

Check for

kinked or bent hoses. Consult

pipe fitter or plumber.

POSSIBLE CAUSE

1. Defective ignitor

2. Defective pilot or misaligned

electrode at pilot

3. No or low gas pressure

PROBLEM

When ignitor button is pressed,

there is no spark at pilot

TROUbLESHOOTING

Continued

REMEDY

1.

LP only:

Check fuel supply

and contact local propane/LP

supplier if low.

LP and Natural:

Check for

kinked or bent hoses. Consult

pipe fitter or plumber.

2. Repeat lighting procedure

several times to purge air from

lines. If unit will still not light,

contact a qualified service and

repair technician

3. Remove debris and dirt, in-

spect and clean other possible

obstructions

4. Replace control valve

5. Contact a qualified technician

to replace pilot line

6. Check that main power is on

and all wire connections are

made correctly to ignition

module

POSSIBLE CAUSE

1. No or low gas pressure

2. Air in gas line

3. Construction debris clogging

main orifice

4. Control valve knob not

opening

5. Kinked pilot line

6. No power to unit or ignition

module/power transformer is

bad

PROBLEM

Ignitor will not spark or burner

will not light

ELECTRONIC IGNITION SYSTEM

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