Maytag MDE17CS Service Manual page 137

TEST #3a Thermal Fuse Test
ElECTriC DrYEr: The thermal fuse is
wired in series with the dryer drive motor.
GaS DrYEr: The thermal fuse is wired in
series with the dryer gas valve.
all DrYErS:
1. Unplug dryer or disconnect power.
2. Access the thermal fuse to the left of the
High Temp Operating T/stat on top of the
blower housing..
3. Disconnect wires from thermal fuse. Using
an ohmmeter, check continuity across the
thermal fuse.
• If the ohmmeter indicates an open circuit
(infinite Ω), replace the failed thermal fuse.
TEST #3b High Temp Cutout Test
If the dryer does not produce heat, check the
status of the high temp cutout.
1. Unplug dryer or disconnect power.
2. Access the high temp cutout on the burner
cone or heater box.
3. Using an ohmmeter, check the Continuity
across the high temp cutout after removing
at least one wire from it.
•If the ohmmeter indicates an open circuit
(infinite Ω), replace the failed high temp
cutout and high temp thermostat. In
addition, check for blocked or improper
exhaust system, or failed heat element
(electric dryer).
TEST #3c Gas valve Test
1. Unplug dryer or disconnect power.
2. Access the gas valve.
use an ohmmeter to determine if a gas
valve coil has failed. remove harness
plugs. Measure resistance across
terminals. readings should match those
shown in the following chart. if not,
replace coil.
Terminals Resistance
1 to 2
1 to 3
4 to 5
1
2
iMPOrTaNT:
Make sure all harness wires are looped
back through the strain relief after checking
or replacing coils.
6-9
1750 Ω ±5%
730 Ω ±5%
1750 Ω ±5%
3 4 5