Maytag MED5800TW Technical Education - Page 61

Component Testing

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COMPONENT TESTING Before testing any of the components, perform the following checks: • Check all connections before replacing components, looking for broken or loose • The most common cause for control failure is corrosion on connectors. Therefore, dis- wires, failed terminals, or wires not pressed into connectors far enough. connecting and reconnecting wires will be necessary throughout test procedures. • Resistance checks must be made with power cord unplugged from outlet, and • All tests/checks should be made with a VOM or DVM having a sensitivity of 20,000 with wiring harness or connectors disconnected. ohms-per-volt DC, or greater. WARNING Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. DOOR SWITCH 1. Unplug dryer or disconnect power. 2. Turn off gas supply to dryer. 3. Set the ohmmeter to the R x 1 scale. 4. Touch the ohmmeter test leads to door switch plug pins 1 and 3. The meter should indicate a closed circuit (0 Ω) with the door closed, and an open circuit (infinite) with the door open. Refer to page 4-5 for the procedure for accessing the door switch. 5-1

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5-1
COMPONENT TESTING
Before testing any of the components, perform
the following checks:
The most common cause for control failure
is corrosion on connectors. Therefore, dis-
connecting and reconnecting wires will be
necessary throughout test procedures.
All tests/checks should be made with a
VOM or DVM having a sensitivity of 20,000
ohms-per-volt DC, or greater.
•
•
Check all connections before replacing
components, looking for broken or loose
wires, failed terminals, or wires not pressed
into connectors far enough.
Resistance checks must be made with
power cord unplugged from outlet, and
with wiring harness or connectors discon-
nected.
•
•
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
WARNING
DOOR SWITCH
Refer to page 4-5 for the procedure for ac-
cessing the door switch.
1.
Unplug dryer or disconnect power.
2.
Turn off gas supply to dryer.
3.
Set the ohmmeter to the R x 1 scale.
4.
Touch the ohmmeter test leads to door
switch plug pins 1 and 3. The meter should
indicate a closed circuit (0
Ω
) with the door
closed, and an open circuit (infinite) with
the door open.