20
Troubleshooting
Models 104 & 220
Model 220
PROBLEM PROBABLE CAUSE REMEDY
1. Unit will not run. a. Unit is unplugged. a. Plug in wall receptacle.
b. Circuit breaker is off. b. Turn the breaker on.
c. Unit is off on reset. c. Place control switch in the OFF
position. Press reset button
firmly. Place control switch in
the EJECT position and
observe freezerās performance.
Resume normal operation.
d. The unit is off on high PSI cut
out.
d. Allow the unit to cool.
e. Door switch is open. e. Close the door switch.
f. Rocker switch is defective. f. Replace the switch.
g. Defective temperature control. g. Replace temperature control.
h. No power at wall receptacle. h. Check the breaker panel.
i. Lost one leg of power. i. Check the power cord plug, wall
receptacle and terminal block.
2. Compressor will not run in the
AUTO mode.
a. Loose or broken wire at
compressor contactor.
a. Repair wire.
b. Defective contactor. b. Replace contactor.
3. Beater motor will not run in the
AUTO mode.
a. Loose or broken wire at beater
motor contactor .
a. Repair wire.
b. Defective contactor. b. Replace contactor.
4. Unit is off on high head. a. Defective fan. a. Replace condenser fan.
b. Dirty condenser. b. Clean condenser.
c. No air clearance. c. Allow 3ā around all sides.
5. Beater motor will not run in the
BEATER mode.
a. Loose or broken wire at beater
motor contactor .
a. Repair wire.
b. Defective contactor. b. Replace contactor.
6. Product is not freezing. a. Dirty condensers. a. Clean condensers regularly.
b. The control switch is not in the
AUTO position.
b. Place the control switch in the
AUTO position.
c. On water cooled units,
inadequate water supply.
c. Check to be sure the water is
turned on. Check hoses for
leaks or kinks.
7. Drive shaft is stuck. a. Rounded corners on shaft,
drive socket, or both.
a. Replace the drive shaft, drive
socket, or both. Do not lubricate
the hex end of the drive shaft.
8. W alls of freezer cylinder are
scored.
a. Scraper blades were improperly
installed.
a. Install them properly.