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Maytag Amana MES9 Series Installation Instructions Manual page 44

Single-stage gas furnace, type fsp category iv direct or non direct vent air furnace
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Table of Contents
Troubleshooting Chart
• Circulating blowers not
operating simultaneously.
No blower operation.
• Furnace not operating.
• Integrated control module
diagnostic LED is flashing TEN
(10) flashes.
• Furnace not operating.
• Integrated control module
diagnostic LED is flashing ELEVEN
(11) flashes.
• Furnace not operating.
• Integrated control module
diagnostic LED is flashing TWELVE
(12) flashes.
• Furnace fails to operate.
• Integrated control module
diagnostic LED is
flashing continuously.
1
Integrated control module will automatically attempt to reset from lockout after one hour.
2
LED Flash code will cease if power to the control module is interrupted through the disconnect or door switch.
•Twinning Fault
9 FLASHES
• Open Fuse / No 24V
power to integrated
control module
10 FLASHES
• Igniter Open
11 FLASHES
• Inducer Relay Fault
12 FLASHES
• Polarity of 115 or
24 volt power is
reversed.
CONTINOUS
RAPID FLASH
• Furnace twin terminals
• Install field wiring
not connected together
connecting twin
by field wiring.
terminals, check
• Isolating relay not used
continuity of wiring.
or improperly installed
• Verify each furnace fan
motor is operable
without twinning
connection.
• Wire per twinning
diagram in this
installation manual
• High voltage surge
• Replace the Fuse.
blows off the fuse.
•Improperly connected
•Check and correct
igniter.
wiring from integrated
• Bad igniter.
control module
• Poor unit ground.
to igniter.
• Poor burner ground.
•Replace bad igniter.
•Check & correct unit
ground wire.
• Replace bad integrated
•Improperly connected
•Check and correct
inducer.
wiring from integrated
• Bad inducer.
control module
• Poor unit ground.
to inducer.
• Faulty integrated
• Check for Blockage in
control module.
inducer & in Vent /
replace Inducer.
•Check & correct unit
ground wire.
• Replace bad integrated
control module.
• Polarity of 115 volt AC
• Review wiring diagram
power to furnace or
to correct polarity.
integrated control
• Reverse orange and
module is reversed.
gray wires going to
• Orange and gray wires
transformer.
to transformer are
• Verify proper ground.
reversed.
Correct if necessary.
• Poor unit ground.
44
• Verify line voltage
supply is turned off
before proceeding
with corrections
• Verify line voltage
supply is turned off
before proceeding
with corrections
• Turn power OFF prior
to repair.
• Replace igniter
w/proper replacement
part.
• Read precautions in
"Electrostatic
Discharge" section
• Turn power OFF prior
to repair.
• Replace inducer
w/proper replacement
part.
• Read precautions in
"Electrostatic
Discharge" section
of manual.
• Turn power OFF prior
to repair

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