Service manual

Section 3 Electronic Control Testing
3-28
Drive motor runs but
dryer does not heat.
Remove power, turn the gas off
to the dryer, disconnect the belt from the
motor, and remove the front panel. Program
the control for Normal Cycle High Temp
and observe the igniter for 1 minute.
Igniter glows full
brilliance or glows dim the
full minute.
Gas dryers; drive motor runs but dryer does not heat.
Note: Always check wiring to the components.
Igniter does
not glow.
Defective
sensor.
Igniter glows full
brilliance then dims.
Defective
gas valve
or gas supply.
Program the dryer for a Normal
Cycle with High Temp and touch
Start . Measure the voltage drop
between the two terminals of RL 2.
Defective electronic
control board.
120 VAC.
0.
120 VAC.
Remove power, unplug the
igniter and measure the resistance
of the igniter.
Measure the voltage drop from the
terminal on the sensor with the
orange wire to neutral.
0.
Defective high
limit thermostat.
Infinity.
50 to 400 OHMS.
Defective igniter.
Defective
motor.