Desa VP1600TB User Manual download pdf (Page 14)

14

104821

INFRARED PROPANE/LP GAS HEATER

®

TROUBLESHOOTING

WARNING: Turn off and un-

plug heater and let cool before

servicing. Only a qualified ser-

vice 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.

POSSIBLE CAUSE

1. Ignitor electrode positioned wrong

2. Ignitor electrode broken

3. Ignitor electrode not connected to igni-

tor cable

4. Ignitor cable pinched or wet

5. Broken ignitor cable

6. Bad piezo ignitor

7. Piezo ignitor nut is loose

1. Gas supply turned off or equipment

shutoff valve closed

2. Control knob not pressed in while press-

ing ignitor button (non-thermostat mod-

els only)

Thermostat control knob not pressed in

(thermostat models only)

3. Air in gas lines when installed

4. Depleted gas supply

5. ODS/pilot is clogged

6. Gas regulator setting is not correct

7. Thermostat control knob is not in pilot

position (thermostat models only)

REMEDY

1. Replace ignitor

2. Replace ignitor

3. Reconnect ignitor cable

4. Free ignitor cable if pinched by any

metal or tubing. Keep ignitor cable dry

5. Replace ignitor cable

6. Replace control valve (piezo is part of

control valve)

7. Tighten nut holding piezo ignitor. Nut

is located inside heater cabinet at top

1. Turn on gas supply or open equipment

shutoff valve

2. Press in control knob while pressing ig-

nitor button (non-thermostat models

only)

Press in thermostat control knob while

turning to PILOT/IGN position (thermo-

stat models only)

3. Continue holding down control knob

Repeat igniting operation until air is re-

moved

4. Contact local propane/LP gas company.

5. Clean ODS/pilot (see Cleaning and

Maintenance, page 13) or replace ODS/

pilot assembly

6. Replace gas regulator

7. Turn thermostat control knob to pilot

position

OBSERVED PROBLEM

When ignitor button is pressed in, there is no

spark at ODS/pilot

When ignitor button is pressed in, there is a

spark at ODS/Pilot but no ignition

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Note:

For additional help, visit DESA

International’s technical service web site

at www.desatech.com.

Note:

All troubleshooting items are listed in

order of operation.

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 23 24

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