Maytag MLE/MLG23MNA - Manual (Page 32)

32 16022904 Rev. 0 ©2004 Maytag Appliances Company
Troubleshooting Procedures
! WARNING
To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing
requires power.
Stack Dryer Troubleshooting Guide
Dryer Will
Not Heat
Open all gas supply
valves for gas dryer.
Check all circuit
breakers and fuses that
feed electric dryer.
Unplug dryer. Check
wiring and terminations
between control board,
heater relay, heater and
motor
Unplug dryer.
Does thermal fuse
show continuity?
Unplug dryer does
high limit
thermostat show
continuity?
Unplug dryer.
Does 155 deg.
thermostat
show
continuity?
Replace thermal
fuse and
thermostats.
Replace high
limit thermostat.
Check for
exhaust
restrictions.
Replace 155
deg.
thermostat.
Unplug dryer. At
room temperature is
the resistance of the
heating element less
than 20 ohms?
(Electric dryer only)
Replace heating
element.
Check motor
centrifugal switch
and replace if
necessary.
Inspect heater
relay and replace if
necessary.
(electric dryer)
Check wiring and
termination
between
thermistor and
control board
Replace
thermistor.
Disconnect harness
from thermistor check
between 5K and 15K
ohms at room
temperature?
If problem persist,
replace control
board.
Yes Yes Yes
No No No
No
Yes
Yes No
Cannot
Enter Or
Exit
Operator
Mode
Check adjustment
of service switch
and lock.
Check wiring and
terminations between
service switch and
control board.
Unplug dryer. Disconnect upper
connector from control board.
Check for conuity between terminal
13 and 14 of connector while
cycling the service switch
If problem persists, replace
control board
Does service
switch open and
close properly?
Replace service
switch
No Yes