TECHNICAL TROUBLESHOOTING continued
Controller Displays “IGNITION FAILURE” - Module is sparking, flame comes on and goes out
Dig Gas Valve Open?
Check for 120 VAC across gas NO Valve, terminal 3&4
YES
Check for 3.5”W.C. (NAT
GAS), 10”W.C. (LP) NO burner pressure.
YES
Check gas view port | YES |
to ensure ame is lighting. |
|
Is Burner lighting at all? |
|
NO |
|
Check for any obstructions |
|
in gas piping and repair |
|
as needed |
|
Check for 120VAC output from | Check wiring connections | |
ignition module, terminal | YES | between Ignition Module, |
VALVE & VALVE. |
| and Gas Valve. |
|
| |
NO |
| YES |
Adjust gas | Replace Ignition | Replace gas |
pressure | Module | valve |
Check micrpamp reading between
Ignition Module and Ignitor. UA
Reading should be between .8 and 1.6
Ideal microamps is between 1.0 and 1.2
NOYES
Adjust UA reading until
recommended UA areReplace Ignitor obtained.
Part # JIBSM08 Rev.6 (08/04/09) | Page 45 |