Troubleshooting Procedures - Eclipse TA Series Installation Manual

t
roubleshootiNg
p
roCeDures
PROBLEM
Start-up sequence runs but
burner does not light.
POSSIBLE CAUSE
No ignition:
•
Attempting to ignite at inputs
greater than 40%.
No ignition:
•
Weak or non-existent spark.
No ignition:
•
There is no power to the
ignition transformer.
No ignition:
•
Open circuit between the
ignition transformer and the
igniter.
No ignition:
•
The igniter needs cleaning.
No ignition:
•
The igniter is not correctly
grounded to the burner.
No ignition:
•
Igniter insulator is broken.
Igniter is grounding out.
Not enough gas:
• The gas flow into the burner is
too low.
Not enough gas:
•
If equipped with ratio regulator,
loading line may not be attached
Not enough gas:
•
The bypass valve is not open
far enough.
Not enough gas:
•
Start gas solenoid valve does
not open.
Not enough gas:
•
Gas valve does not open.
Eclipse ThermAir T/A Series v1.10, Installation Guide No. 114, 4/7/06
SOLUTION
Reduce start point gas flow.
Verify control circuit.
Verify ignition transformer is a
6,000 - 8,000 volt transformer.
(Not half-wave)
Restore the power to the
ignition transformer.
Repair or replace the wiring to
the igniter.
Clean the igniter.
Clean the threads on the igniter
and the burner. NOTE: Do not
apply grease to the threads on
the igniter.
Inspect the igniter. Replace if
broken.
Check the start-up settings.
Adjust low fire gas setting if
necessary.
Reconnect loading line and verify
loading pressure.
Adjust bypass gas flow.
Check the solenoid valve coil for
proper operation. Replace it if
necessary.
Check the wiring to the
automatic gas shut-off valve.
Check the output from the
flame safeguard.
Open manual gas cock.