Maytag MED5900TW0 Tech Sheet Download Page 3

TECH SHEET - DO NOT DISCARD

PAGE 3

FOR SERVICE TECHNICIAN’S USE ONLY

PART NO. W10112987A

240 VOLTS

120 VOLTS

L1 LINE – BK

R – LINE L2

2M

1M

DOOR
SWITCH

DRIVE MOTOR

1/3 H.P.

MAIN

2.4–3.6

START

2.4–3.8

5M

6M

ELECTRONIC CONTROL

CENTRIFUGAL SWITCH

THERMAL FUSE

196 °F (91°C)

TIMER

MTR

HEATER
LOW

PT-1

P1-1

DOOR

TIMER

P2-6

PTS

MOTOR

RELAY

P2-7

P3-2

MOTOR
START

3M

START
SENSE

P1-5

W

BU

BK

BK

W – NEUTRAL

BU

BU

BU

BU

BU

BU

BU

W

NEUTRAL
TERMINAL
LINKED TO
CABINET

PK-BK

PK-BK

BK

BK

COM

NO

BU

BU-BK

W

BU

MOTOR STRIP CIRCUIT

120 VOLTS

240 VOLTS

2M

1M

5M

6M

THERMISTOR

10 k

ELECTRONIC CONTROL

THERMAL

CUT-OFF

(TCO)

310 °F (154°C)

NEUTRAL
TERMINAL
LINKED TO
CABINET

CENTRIFUGAL SWITCH

HIGH LIMIT

THERMOSTAT

180°F (82°C)

TEMP.

NEUTRAL

P2-3

P2-1

HEATER

RELAY

P3-2

P4-1

HEATER
HI

NC

3M

P3-1

P4-2

HEATER
LOW

L1-RTN

R

R-W

COM

NO

R

W-R

R-W

R-W

W

5400 WATT
2700 WATT

EACH LEG

R-W

AC COIL

HEATER RELAY

BR

BR

BR

BR

48 VDC

120 VAC

RLY DR

W – NEUTRAL

R – LINE L2

L1 LINE – BK

HEATER STRIP CIRCUIT

120 VOLTS

ELECTRONIC CONTROL

NEUTRAL
TERMINAL
LINKED TO
CABINET

MOIST

GND

MOIST.

NEUTRAL

P2-5

SENSOR

P2-4

P2-1

BK

Y-R

G-Y

G-Y

W

MTR

P1-1

BU

TIMER

PT-1

TIMER

BK

BU

W – NEUTRAL

L1 LINE – BK

MOISTURE SENSOR STRIP CIRCUIT

Summary of Contents for MED5900TW0

Page 1: ...en or loose wires Check for wires not pressed into connector far enough to engage metal barbs Resistance checks must be made with dryer unplugged or power disconnected LESS DRY TEST Begin with a fully...

Page 2: ...DRIVE MOTOR 1 3 H P 5M 6M THERMISTOR 10 k BK DL 5400 WATT 2700 WATT EACH LEG ELECTRONIC CONTROL NEUTRAL TERMINAL LINKED TO CABINET CENTRIFUGAL SWITCH THERMAL FUSE 196 F 91 C HIGH LIMIT THERMOSTAT 180...

Page 3: ...BU MOTOR STRIP CIRCUIT 120 VOLTS 240 VOLTS 2M 1M 5M 6M THERMISTOR 10 k ELECTRONIC CONTROL THERMAL CUT OFF TCO 310 F 154 C NEUTRAL TERMINAL LINKED TO CABINET CENTRIFUGAL SWITCH HIGH LIMIT THERMOSTAT 18...

Page 4: ...ntinuity between the L1 terminal of the plug found in step 4 and BK black wire terminal on the timer If there is continuity go to step 7 If there is no continuity check that wires to the terminal bloc...

Page 5: ...2 Remove the wires from the switch to complete this test 3 Reference contact continuity with Pins 1 and 2 to Pin 4 White End of Cycle Signal Switch Table SWITCH POSITION CONTACTS FUNCTION 1 4 2 4 10 o...

Page 6: ...RE CLOTHES ARE DRY Refer to Thermistor Test this page and Moisture Sensor Strip Circuit page 3 HARNESS CONNECTION MOISTURE SENSOR THERMISTOR ELECTRONIC CONTROL MAY NEED TO CHANGE TIMER SETTING TO A MO...

Page 7: ...shooting Guide page 6 1 Perform Temperature Switch Test page 5 2 Unplug dryer or disconnect power 3 Check continuity of heater relay contacts COM to NO should be open If not replace the heater relay 4...

Page 8: ...Test page 6 3 If problem persists after replacing moisture sensor and thermistor Unplug dryer or disconnect power Replace the electronic control assembly PROBLEM Timer Continuously Advances Refer to T...

Reviews: