26
Problem
Possible Cause
Corrective Action
Faulty intermediate board
Turn power off. Remove the
connectors from J18 and J27 on
the intermediate board. At J18
inspect pins 4 & 6, and at J27
pins 1 & 5. Repair or straighten
any damaged pins. If any pins are
loose, replace the intermediate
board. PN-49405540.
Faulty up / down motor
Replace the U/D motor.
If the motor has a small pigtail
harness use PN-49505565.
If the connector is right on the
motor use PN-49505555.
U/D Stuck Motor (cont.)
Faulty computer board
When replacing the computer
board note the software on the
defective board as well as the
position of the jumper JP1. Make
sure the software and jumper
postion are the same. Incorrect
software or jumper may cause the
machine to function improperly.
Replace the computer board
PN-19300529.
Faulty freezer door open switch
Turn the power off. Disconnect
the freezer door open switch.
Using a jumper wire or small
paperclip connect the two wires
that the switch plugs into. Close
the freezer door. Turn power on
and press “Load”. If the freezer
door does not open replace the
freezer door open switch.
PN-49500566.
Improper alignment of the freezer
open trigger.
On the bottom of the freezer door
lift arm is a small metal ramp
(trigger). If the trigger is not
aligned properly, it will miss the
arm of the door open switch.
Check the alignment to the switch
and adjust if necessary.
Freezer Stuck Closed
If the freezer does open
and closes immediately.
Check connection from the
controller board to the freezer
door open switch.
Turn power off. Check the
computer board connection
labeled J10 and intermediate
board connections J10 and J23. If
the connections look good check
continuity from computer board
J10 pins 9 & 10 to int. board J10
pins 9 & 10, and from int. board
J23 pins 4 & 5 to the two wires at
the freezer door open switch.
