Maytag MCE8000AY Maytag Neptune Drying Center, Will Not Run, Will not start or run, Dry time

Troubleshooting Procedures

!WARNING

To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing requires power.

Troubleshooting Guide

Maytag Neptune™ Drying Center

•Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit.

Will Not Run		•	Faulty Heater Relays.
Will not start or run:		• Drive motor centrifugal start switch not allowing
• All wires are hooked up to their corresponding			voltage to gas valve or heating element.
	terminals.	Will Not Dry (Gas Models)
•	Dryer is plugged in.
• Blown fuse or circuit breaker.		Poor Gas Ignition
•	Door switch functional...door closed.	When the dryer is operated on a heat setting, the igniter
• Poor connection between membrane switch and logic		should be energized and burner shall fire within 45
	board, or faulty membrane switch. Use "Pd" utility to	seconds at 120 VAC. The failure of a component in this
	check function of membrane switch.	system will usually be indicated by one of three
• Faulty motor relay, use diagnostic utilities to manually		symptoms:
	operate relay.	The igniter does not glow. If the igniter does not heat
•	Drive motor functional.
•	Blown thermal fuse.	up, remove power and using an ohmmeter, check the
Motor runs/ tumbler will not turn:		following:
•	Belt off or broken/damaged.		•	Open flame sensor
• Idler tension spring too weak or stretched.			•	Open igniter
•	Idler pulley jammed or stuck.		•	Shorted booster coil
Runs a few minutes and then stops:			•	Open wiring
• Lint buildup around drive motor.		Igniter glows - No gas ignition. If the igniter heats up
•	Low voltage present.	but the main burner flame is not ignited, remove power
• Blower impeller blocked in blower		and using an ohmmeter, check the following:
	housing.		•	Open secondary coil
• Drive motor - start switch contacts stuck closed.			•	Open holding coil
Blows fuses or trips circuit breaker:			•	Open wire harness
	Electric Models	The gas is ignited but the flame goes out. If a normal
• The amperage readings are at 240 volts. One line with		ignition takes place and after a short while the flame goes
	24 amps, and the other line with 21 amps. The neutral	out, check for the following:
	line will be at 3 amps. If the above amperages are		•	Radiant sensor contacts opening
	present, then the house wiring, fuse box or circuit			prematurely.
	breaker should be suspected.		• Weak gas valve coil may open when
• Shorted heating element to housing.				stressed by higher temperatures.
• Incorrect wiring or a wire shorting to ground.		Improper drying/clothes wrinkled/ rough texture/long
• Drive motor winding shorting to ground.		dry time:
	Gas Models	• Lint filter is not clean.
• During ignition the dryer will draw 7 amps. With the		•	Restriction in exhaust.
	burner ON, the dryer will draw 3 amps. If the dryer is	• Outside exhaust hood damper door stuck closed.
	drawing amperages above this, then the house wiring,	• Exhaust too long, too many elbows, flex ductwork
	fuse box or circuit breaker is suspected to be at fault.		installed.
• Igniter harness loose and shorted to base.		• Poor makeup air available for the dryer.
• Incorrect wiring or wire shorted to ground.		• Incorrect tumbler speed. Tumbler belt slipping.
• Open centrifugal switch in motor		• Blower impeller bound; check for foreign material in
• Drive motor winding shorting to ground.			blower area.
Will Not Dry		•	Customer overloading dryer.
Will not heat (motor runs):		• Check clothing labels for fabric content and cycle
•	Open heating element.		selected.
• Hi-Limit trips easily or is open.		• Gas valve coil opens - weak point in coil opens when
•	Faulty Thermistor.		stressed under heated conditions.

©2003 Maytag Appliances Company 16022785 Rev. 0 11