Справочник Пользователя для Vanguard VMH26TNC

www.desatech.com

113111-01H

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

ODS/pilot. This can damage ODS/pilot unit.

Note: All troubleshooting items are listed in order of operation.

POSSIBLE CAUSE

1. Ignitor cable pinched or

wet

2. Ignitor electrode not con-

nected to ignitor cable

3. Broken ignitor cable
4. Bad piezo ignitor
5. Ignitor electrode broken
6. Ignitor electrode positioned

wrong

1. Gas supply turned off or

equipment shutoff valve
closed

2. Control knob not in PILOT

position

3. Control knob not pressed in

while in PILOT position

4. Air in gas lines when in-

stalled

5. Depleted gas supply (pro-

pane/LP only)

6. ODS/pilot is clogged

7. Gas regulator setting is not

correct

REMEDY

1. Free ignitor cable if pinched

by any metal or tubing.
Keep ignitor cable dry

2. Reconnect ignitor cable

3. Replace ignitor cable
4. Replace piezo ignitor
5. Replace pilot assembly
6. Replace pilot assembly

1. Turn on gas supply or open

equipment shutoff valve

2. Turn control knob to PILOT

position

3. Press in control knob while

in PILOT position

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 and Maintenance,
page 23) or replace ODS/
pilot assembly

7. Replace gas regulator

OBSERVED PROBLEM

When ignitor button is
pressed, there is no spark
at ODS/pilot

When ignitor button is
pressed, there is spark at
ODS/pilot but no ignition