Maytag Amana MES9 Series Installation Instructions Manual page 44

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