28
Freezer Stuck Closed (cont.)
If the freezer does not
open.
Faulty computer board /
intermediate 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 closed switch
Turn the power off. Disconnect
the freezer door closed switch.
Using a jumper wire or small
paperclip connect the two wires
that the switch plugs into. Turn
power on. If the error message
does not show again replace the
freezer door closed switch.
PN-49500566.
Improper alignment of the freezer
closed switch.
On the left cabinet wall in front of
the freezer lid is the freezer door
closed switch. If the switch is not
aligned properly the trigger on the
freezer lid will not reach it enough
to fully press the switch. Loosen
the screws on the switch, slide it
back towards the freezer and
retighten.
Check connection from the
controller board to the freezer
door closed 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 7 & 8 to int. board J10
pins 7 & 8, and from int. board
J23 pins 1 & 2 to the two wires at
the freezer door closed switch.
Freezer Stuck Open
If the freezer is closed.
Faulty computer board /
intermediate 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.
Turn power off. Locate the
computer board connection
labeled J10. Using a jumper wire
or small paperclip, connect pins 7
& 8 together through the back of
the connector. Turn the power on.
If the display shows “Freezer
stuck open”, replace the
intermediate board.
PN-49405540.
If the display does not show
“Freezer stuck open”, replace the
computer board PN-19300529.
