wc_tx002271gb.fm
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Troubleshooting E 3000
10.3 Troubleshooting the Gas Burner
Problem / Symptom Reason Remedy
The flame ignites, but the
burner goes to lockout
within 5 seconds
The phase/neutral lines are
reversed.
Correct the wiring.
The wiring to ground is
faulty.
Correct the wiring.
The ionization probe is
grounded, or not in contact
with the flame, or the circuit
to the control box is broken.
Correct the wiring.
The spark interferes with
the flame signal due to
incorrect setting of the elec-
trode.
Readjust the ignition elec-
trode.
The burner goes to lockout
after the prepurge period
because the flame does not
ignite.
There is air in the gas line. Bleed the gas line.
The gas valve is passing
too little gas.
Check and adjust the gas
pressure.
The spark is irregular or not
present.
Readjust the ignition elec-
trode.
The burner does not start
when the temperature con-
troller calls for heat.
There is low gas pressure. Adjust the gas pressure.
The 24V switching relay is
faulty.
Replace the 24V relay.
The burner switch is OFF. Turn the burner switch ON.
The circuit breaker is
tripped.
Reset the circuit breaker.
Terminals on the control
module are bent or loose.
Repair or replace the con-
trol module.
The motor is faulty. Repair or replace the motor.
The capacitor is faulty. Replace the capacitor.
The end switch on the air
damper is faulty.
Replace the end switch.
The control module is faulty. Replace the control module.
The air pressure switch is
not in the normally closed
position.
Replace the air switch.
The burner continues to
repeat the starting cycle
without going into lockout.
Gas pressure switch set
incorrectly.
Reset the gas pressure
switch.
The burner does not go
through prepurge, and the
control module goes to
lockout.
Air pressure switch is not
changing from normally
closed to normally open
due to insufficient air pres-
sure in the combustion
head.
Adjust the combustion
head.
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