Desa VC42P Manuale Utente

www.desatech.com

116236-01F

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

pilot. This can damage pilot unit.

Note:

All troubleshooting items are listed in order of operation.

POSSIBLE CAUSE

1. Ignitor electrode not con-

nected to ignitor cable

2. Ignitor cable pinched or wet

3. Piezo ignitor nut is loose

4. Broken ignitor cable

5. Bad piezo ignitor

6. Ignitor electrode broken

7. Ignitor electrode positioned

wrong

1. Gas supply turned off or equip-

ment shutoff valve closed

2. Gas control knob not in PI-

LOT position

3. Gas control knob not pressed

in while in PILOT position

4. Air in gas lines when in-

stalled

5. Depleted gas supply (propane/

LP models only)

6. Pilot is clogged

7. Gas regulator setting is not

correct

REMEDY

1. Reconnect ignitor cable

2. Free ignitor cable if pinched

by any metal or tubing. Keep

ignitor cable dry

3. Tighten nut holding piezo

ignitor. Nut is located behind

the mounting bracket

4. Replace ignitor cable

5. Replace piezo ignitor

6. Replace pilot assembly

7. Tighten electrode. Replace if

necessary

1. Turn on gas supply or open

equipment shutoff valve

2. Turn gas control knob to PILOT

position

3. Press in gas 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 pilot (see Cleaning and

Maintenance, page 31) or re-

place pilot assembly

7. Replace gas regulator

OBSERVED PROBLEM

When ignitor button is pressed,

there is no spark at pilot

When ignitor button is pressed,

there is spark at pilot but no

ignition