12
1602
3432
Rev. 0
©2004 Maytag Services
Troubleshooting Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing
requires power.
Component Electrical Testing
Thermistor resistance 60k ohms.
Heater check including thermostats.
Disconnect harness and
test White wire Pin 2 on
Heater Relay to Blue wire
Pin 1 on Power Relay.
Approx 26 ohms ± 5%
Red wire Pin 1 on
Heater Relay to
Black wire Pin 2 on
Power Relay
Motor check.
CN2
1 2 3
Disconnect harness and
test White wire Pin 2 to Red
wire Pin 1. Approx 35 ohms
± 10%
Disconnect harness and test
Blue wire Pin 3 to White wire
Pin 2. Approx 29 ohms ± 10%
Resetable Thermal
Fuse
Less than 1 ohm
High Limit Thermostat
Less than 1 ohm
Heater check.
To check the heating element only, disconnect the red
wire from the thermostat and check across the red wire
and the blue wire on the power relay. Heater resistance is
approximately 26 ohms. To check the heating element
and thermostats from the console, check across the blue
wire on the power relay and the white to the heater relay
with the connector removed.
Heater Power
POWER HEATER
POWER HEATER
240VAC
H e a t e r
Input
Summary of Contents for MDE2400AY Series
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