Desa HDR16PT ユーザーズマニュアル

www.desatech.com

121255-01A

TROUbLESHOOTING

WARNING: Turn off and unplug 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.

POSSIBLE CAUSE

1. Ignitor electrode positioned

wrong

2. Ignitor electrode broken
3. Ignitor electrode not con-

nected to ignitor cable

4. Ignitor cable pinched or

wet

5. Broken ignitor cable
6. Bad ignitor
7. Piezo ignitor nut is loose

1. Gas supply turned off or equip-

ment shutoff valve closed

2. Control knob is not in pilot

position

3. Control knob not fully

pressed in while pressing
ignitor button

4. Air in gas lines when in-

stalled

5. Depleted gas supply (pro-

pane/LP gas)

6. ODS/pilot is clogged

7. Gas regulator setting is not

correct

1. Not enough combustion/

ventilation air

REMEDY

1. Replace pilot assembly

2. Replace pilot assembly
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 ignitor
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. Turn control knob to pilot

position

3. Turn to PILOT/IGN position.

Fully press in control knob
while pressing ignitor button

4. Continue holding down

control knob. Repeat ignit-
ing operation until air is
removed

5. Contact local propane/LP

gas company

6. Clean ODS/pilot (see

Cleaning, page 16) or re-
place ODS/pilot assembly

7. Replace gas regulator

1. Refer to Air for Combustion

and Ventilation require-
ments (page 5)

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

Moisture/condensation no-
ticed on windows