Desa VF-24N-BTB ユーザーズマニュアル

For more information, visit www.desatech.com

TROUBLESHOOTING

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

  WARNING:  Turn off and un-

1.  Ignitor electrode not con nect ed  to  ig ni tor 

ca ble

2.  Ignitor cable pinched or wet

3.  Piezo ignitor nut is loose

4.  Broken ignitor cable
5. Bad piezo ignitor
6.  Ig ni tor  electrode  po si tioned  wrong  or 

broken

1.  Gas supply turned off or equipment 

shutoff valve closed

2.  Control knob not in PI LOT po si tion
3.  Control knob not pressed in while in 

PI LOT  po si tion

4.  Air in gas lines when in stalled

5.  Depleted gas supply (propane/LP 

only)

6.  ODS/pilot is clogged

7.  Gas regulator setting is not correct

1.  Control knob not fully pressed in
2.  Control knob not pressed in long 

enough

3.  Safety interlock system has been 

trig gered 

4.  Equipment shutoff valve not fully open
5. Pilot fl ame not touch ing ther mo cou ple, 

which al lows  ther mo cou ple  to  cool, 
caus ing  pilot  fl ame to go out. This prob-
 lem could be caused by one or both of 
the fol low ing:

 

A) Low gas pressure

 

B) Dirty or partially clogged ODS/
pilot 

6. Ther 

mo cou ple  con nec tion  loose  at  con-

 trol  valve 

7. Thermocouple dam 

aged

8. Control valve damaged

1. Reconnect ignitor cable

2.  Free ignitor cable if pinched by any 

metal or tubing. Keep ignitor ca ble dry

3.  Tighten nut holding pi ezo ignitor to base 

panel of log set. Nut is located behind 
base panel.

4. Replace ignitor cable
5. Replace piezo ignitor 
6.  Replace pilot assembly for remote-ready 

units; Replace ignitor electrode for vari-
 able manually controlled units  

1.  Turn on gas supply or open equipment 

shutoff valve

2.  Turn control knob to PI LOT position
3.  Press in control knob while in PI LOT 

po si tion

4.  Continue holding down control knob. 

Repeat ig nit ing  op er a tion  until  air  is 
re moved

5.  Contact local propane/LP gas com pany

6. Clean ODS/pilot (see Cleaning and 

Main te nance, page 18) or re place 
ODS/pilot as sem bly

7. Replace gas regulator

1.  Press in control knob fully
2.  After ODS/pilot lights, keep control 

knob pressed in 30 sec onds

3.  Wait one minute for safety in ter lock sys-

 tem to reset. Repeat ignition operation

4.  Fully open equipment shutoff valve
5.  A) Contact local natural or pro pane/LP 

gas company

 
 

B) Clean ODS/pilot (see Cleaning and 
Main te nance, page 18) or replace ODS/
pilot assembly 

6.  Hand tighten until snug, then tighten
 

1/4 turn more

7. Replace pilot assembly
8. Replace control valve

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 ig ni tion

ODS/pilot lights but fl ame goes out when 
control knob is released

Note: For additional help, visit 
DESA technical service web site at 
www.desatech.com.

TROUBLESHOOTING