Table 2-2. Unit Troubleshooting (Continued)
TEST OR INSPECTION
DRYER TUMBLER DOES NOT ROTATE.
High voltage is present on this equipment. Do not perform maintenance with
power on. Death or serious injury may result.
Check for defective drive motor. With power off, remove motor
connection box cover. Start dryer cycle and measure 120 V ac between
each of three legs and ground.
If voltage is present, notify your supervisor.
If voltage is not present, go to next step.
Check for improperly adjusted or defective door interlock safety
switch. Refer to paragraph 2-41.
If switch needs adjustment, adjust door interlock switch.
Refer to paragraph 2-41.
If switch is defective, replace door interlock switch. Refer
to paragraph 2-41.
If switch is serviceable and problem persists, notify your
DRYER AIR IS NOT HEATED TO THE CORRECT TEMPERATURE.
Check for defective thermo switch control. Temporarily substitute a
good switch for the suspect one. Test operate dryer. Refer to
If switch is defective, replace thermo switch control.
If switch is serviceable, proceed to next step.
Check for dirty UV scanner lens.
If lens is dirty, clean UV scanner lens. Refer to paragraph
If lens is clean, proceed to next step.