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Eclipse ThermJet Self-Recuperative, V5, Installation Guide 208, 2/4/2013
Troubleshooting Guide
Problem
Possible Cause
Solution
Cannot initiate start sequence
Main power is off
Make sure power is on to control
system.
No power to control
Call qualified electrician to investigate.
Air pressure switch has not
made
contact
Check air-pressure switch adjustment.
Check air filter.
Check blower rotation.
Check outlet pressure from blower.
High gas pressure switch has tripped Check incoming gas pressure.
Adjust gas pressure if necessary.
Check pressure switch setting and
operation.
Malfunction of flame monitoring
control
system such as shorted out flame
sensor or electrical noise in the sensor
line
Have a qualified electrician investigate
and rectify.
Purge cycle not completed
Check flame monitoring control
system, purge timer, interlocks and
limit switches.
Start-up sequence runs but burner
does not light
No ignition:
• There is no power to the ignition
transformer
Restore power to the ignition
transformer.
Check flame monitor controller.
No ignition:
• Open circuit between the ignition
transformer and the spark plug
Repair or replace the wiring and
connectors to the spark plug.
Check ground connection to the
transformer.
No ignition:
• The spark plug needs cleaning
Clean the spark plug.
No ignition:
• The spark plug is not correctly
grounded to the burner
Clean the threads of the spark plug
and the burner.
Do not apply grease to the thread of
the spark plug.
Too much gas:
• Improper gas valve train sequence
Verify solenoid valve is down stream
of proportionator.
Too much gas:
• Manual gas butterfly valves have
been opened too far
Check pressures and settings against
startup report and adjust as
necessary.
Too much gas:
• Gas pressure out of the main gas
pressure regulator is too high
Check startup setting and, if
necessary, remove regulator and
investigate.
Not enough gas:
• The gas pressure out of the main gas
pressure regulator is too low.
Check startup settings, then check
regulator and adjust if necessary.
Not enough gas:
• Start gas solenoid valve does not
open
Check solenoid valve coil for proper
operation. Replace if necessary.
