Troubleshooting Procedures - Eclipse ExtensoJet EJ025 Installation Manual

t
roubleshootiNg
Problem
Cannot initiate start sequence
Start-up sequence runs but
burner does not light
24
p
roCeDures
Possible Cause
Air pressure switch has not made
contact
High gas pressure switch has
tripped
Low gas pressure switch has
tripped.
Malfunction of flame monitoring
control system such as shorted
out flame sensor or electrical
noise in the sensor line.
Purge cycle not completed
Main power is off
No power to control unit
No ignition: There is no power to
the ignition transformer
No ignition: Open circuit between
the ignition transformer and the
spark plug
No ignition: The spark plug
needs cleaning
No ignition: The spark plug is not
correctly grounded to the burner
Too much gas: Improper gas
valve train sequence
Too much gas: Manual gas
butterfly valves have been
opened too far
Too much gas: Gas pressure out
of the main gas pressure
regulator is too high
Not enough gas: The gas
pressure out of the main gas
pressure regulator is too low
Not enough gas: Start gas
solenoid valve does not open
Not enough gas: Gas valve not
open
Not enough gas: Air in the gas
line
Solution
Check air-pressure switch
adjustment. Check air filter.
Check blower rotation. Check
outlet pressure from blower.
Check incoming gas pressure.
Adjust gas pressure if necessary.
Check pressure switch setting
and operation.
Check incoming gas pressure.
Adjust gas pressure if necessary.
Check pressure switch setting
and operation.
Have a qualified electrician,
investigate and rectify.
Check flame monitoring control
system or purge timer.
Make sure power is on to control
system.
Call qualified electrician to
investigate.
Restore power to the ignition
transformer.
Repair or replace the wiring to
the spark plug.
Clean the spark plug.
Clean the threads of the spark
plug and the burner. Do not
apply grease to the thread of the
spark plug.
Verify solenoid valve is
down-stream of proportionator.
Check pressures and settings
against start-up report and adjust
as necessary.
Check start-up setting. If
necessary, remove regulator and
investigate.
Check start-up setting. Check
regulator and adjust if necessary.
Check solenoid valve coil for
proper orientation. Replace if
necessary.
Check wiring to the automatic
gas shut-off valve.
Check output from the flame
safeguard. Open gas cock.
Purge gas line.
Eclipse ExtensoJet v2 Installation Guide No. 230, 9/17/2008