Maytag AGR4400ADW Service Manual page 12

Troubleshooting Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power and gas to oven before servicing,
unless testing requires power and/or gas.
Problem
No gas flows to burner.
Ignitor glows red.
Gas flows to bake/broil
burner, but burner does not
light.
Broil burner shuts off shortly
after the start of self-clean
operation. Bake and broil
functions operate normally.
Fan motor does not operate.
12
!
WARNING
Possible Cause
Failed ignitor. .................................................
Gas pressure too high ...................................
Failed gas valve.............................................
Loose wire connection or broken wire ...........
Ignitor positioned too far from burner ............
Dirt or grease in orifice or burner...................
Insufficient gas pressure ...............................
Power outage ................................................
Power outage ................................................
Control Error ..................................................
No power to fan motor ...................................
Failed fan motor or winding/frozen shaft .......
16023522
Correction
• Check ignitor current draw, 3.2 –
3.6 Amps. Replace ignitor, if it
fails test.
• Check for correct gas pressure.
Natural gas pressure should be 4"
WCP and LP gas pressure should
be 10" WCP.
• Check gas valve for continuity.
• Verify all connections are clean
and tight, replace broken wire.
• Reposition ignitor closer to
bake/broil burner.
• Clean orifice or burner.
• Check for correct gas pressure.
Natural gas pressure should be 5"
WCP and LP gas pressure should
be 10" WCP.
• Verify power is present at unit.
Verify that the circuit breaker is
not tripped.
• Replace household fuse, but do
not fuse capacity.
• Verify power is present at unit.
Verify that the circuit breaker is
not tripped.
• Replace household fuse, but do
not fuse capacity.
• See "Control Systems
Troubleshooting."
• Check for 120 VAC supplied at
fan motor. If no voltage is
present, check for broken or
loose wiring between fan motor
and relay board. If voltage is
present at fan motor, go to the
next step.
• Check motor winding for
continuity. Check for a frozen
motor shaft. Check for broken
wiring between motor and neutral
terminal block.
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