Maytag MED5800TW Technical Education - Page 71

Door Switch Test, Temperature Switch Test, Wrinkle Prevent Switch On/Off Test, End of Cycle Signal

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Door Switch Test 1. Unplug dryer or disconnect power. 2. Check door switch continuity. Neutral to P2-6 on the electronic control should read closed with the door closed, and open with the door open. 3. Otherwise, verify harness continuity. • If no continuity, repair or replace the harness. • If harness is good, replace the door switch. Temperature Switch Test Orange Violet Tan 1 23 4 5 White FABRIC 1. Unplug dryer or disconnect power. 2. Remove the wires from the switch to complete this test. 3. Reference contact continuity with Pins 1 and 2 to Pin 4 (White). 4. Reference contact continuity with Pin 3 to Pin 5. Temperature Switch Table SWITCH CONTACTS POSITION 3-5 2-4 1-4 FUNCTION 12 o'clock O O O Air Fluff, No Heat 2 o'clock O O X Ex-Low 4 o'clock O X O Low 5 o'clock O X X Medium, Casual 7 o'clock X O O High 8 o'clock X O X Normal 10 o'clock X X O Medium, Energy Saver O = OPEN X = CLOSED Wrinkle Prevent Switch (On/Off) Test Gray White 1 4 WRINKLE GUARD 1. Unplug dryer or disconnect power. 2. Remove the wires from the switch to complete this test. 3. Reference contact continuity with Pin 1 to Pin 4 (White). Wrinkle Prevent Switch Table SWITCH POSITION 11 o'clock 1 o'clock CONTACTS Open Closed FUNCTION Wrinkle Prevent Off Wrinkle Prevent On End of Cycle Signal Switch Test White-Black Tan-White White 12 4 SIGNAL 1. Unplug dryer or disconnect power. 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 1-4 2-4 FUNCTION 10 o'clock O O Off 12 o'clock X O Softer End of Cycle Signal 2 o'clock O X Louder End of Cycle Signal O = OPEN X = CLOSED High Limit Thermostat Test 1. Unplug dryer or disconnect power. 2. Remove the high limit thermostat and check continuity. Refer to the Thermal Components illustrations on page 6-6. 6-5

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6-5
Door Switch Test
1.
Unplug dryer or disconnect power.
2.
Check door switch continuity. Neutral
to P2-6 on the electronic control should
read closed with the door closed, and
open with the door open.
3.
Otherwise, verify harness continuity.
If no continuity, repair or replace the
harness.
If harness is good, replace the door
switch.
Temperature Switch Test
•
•
1
2
3
Orange
FABRIC
Violet
Tan
4
5
White
1.
Unplug dryer or disconnect power.
2.
Remove the wires from the switch to com-
plete this test.
3.
Reference contact continuity with Pins 1
and 2 to Pin 4 (White).
4.
Reference contact continuity with Pin 3 to
Pin 5.
Temperature Switch Table
SWITCH
POSITION
CONTACTS
FUNCTION
3–5
2–4
1–4
12 o’clock
O
O
O
Air Fluff, No Heat
2 o’clock
O
O
X
Ex-Low
4 o’clock
O
X
O
Low
5 o’clock
O
X
X
Medium, Casual
7 o’clock
X
O
O
High
8 o’clock
X
O
X
Normal
10 o’clock
X
X
O
Medium, Energy
Saver
O = OPEN
X = CLOSED
Wrinkle Prevent Switch (On/Off) Test
1
WRINKLE
GUARD
4
White
Gray
1.
Unplug dryer or disconnect power.
2.
Remove the wires from the switch to com-
plete this test.
3.
Reference contact continuity with Pin 1 to
Pin 4 (White).
Wrinkle Prevent Switch Table
SWITCH
POSITION
CONTACTS
FUNCTION
11 o’clock
Open
Wrinkle Prevent
Off
1 o’clock
Closed
Wrinkle Prevent
On
End of Cycle Signal Switch Test
1
2
SIGNAL
4
White
Tan-White
White-Black
1.
Unplug dryer or disconnect power.
2.
Remove the wires from the switch to com-
plete 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’clock
O
O
Off
12 o’clock
X
O
Softer End of
Cycle Signal
2 o’clock
O
X
Louder End of
Cycle Signal
O = OPEN
X = CLOSED
High Limit Thermostat Test
1.
Unplug dryer or disconnect power.
2.
Remove the high limit thermostat and
check continuity. Refer to the Thermal
Components illustrations on page 6-6.