Vanguard Heating VMH26TNC Benutzerhandbuch

113111-01A

23

Note:

 All troubleshooting items are listed in order of operation.

 WARNING: Turn off heater and let cool before servicing. Only a

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 installed

5. Depleted gas supply (propane/

LP only)

6. ODS/pilot is clogged

7. Gas regulator setting is not

correct

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 con-

trol knob. Repeat igniting op-
eration until air is removed

5. Contact local propane/LP gas

company

6. Clean ODS/pilot (see Clean-

ing and Maintenance,  page
22) or replace ODS/pilot as-
sembly

7. Replace gas regulator

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