Eclipse ExtensoJet v2 Installation Guide No. 230, 9/17/2008
24
Problem
Possible Cause
Solution
Cannot initiate start sequence
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.
Low 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 or purge timer.
Main power is off
Make sure power is on to control
system.
No power to control unit
Call qualified electrician to
investigate.
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.
No ignition: Open circuit between
the ignition transformer and the
spark plug
Repair or replace the wiring to
the spark plug.
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 start-up report and adjust
as necessary.
Too much gas: Gas pressure out
of the main gas pressure
regulator is too high
Check start-up setting. If
necessary, remove regulator and
investigate.
Not enough gas: The gas
pressure out of the main gas
pressure regulator is too low
Check start-up setting. Check
regulator and adjust if necessary.
Not enough gas: Start gas
solenoid valve does not open
Check solenoid valve coil for
proper orientation. Replace if
necessary.
Not enough gas: Gas valve not
open
Check wiring to the automatic
gas shut-off valve.
Not enough gas: Air in the gas
line
Check output from the flame
safeguard. Open gas cock.
Purge gas line.
t
roubleshootiNg
p
roCeDures
