Frigidaire LGUB2642LF2 Service Manual page 59

Ice Maker (Finger Evaporator Fresh Food Compartment)
Test 55C: Water Valve Test (continued)
After ice mold arrival to "Freeze" position, or if the mold
was already in the " Freeze" position, the Test ID stops
flashing and the ice maker will turn on the water solenoid
valve and the city water solenoid valve for a duration of
four (4) seconds
Water can be dispensed into a 4 oz. cup placed or held
under the ice maker water spout (typically 80 ml). Only
one water dispensing 4 second cycle is allowed after the
test is started. Additional ON/OFF key activations are
ignored.
Test 56C: Finger Evaporator Heater Test
(See Flow Chart Test #56C)
To start this interactive test, touch the ON/OFF key to
activate the heater. The heater is turned Off
automatically after 60 seconds. Touching the ON/OFF
key again will turn the heater Off. The Freezer display
shows the heater current state "on" or "OFF".
Test 57C: Evaporator Fan Test
(See Flow Chart Test #57C)
To start this interactive test, touch the ON/OFF key to
activate the fan. Touching the ON/OFF key again will
turn the fan Off. The Freezer display shows current
state of the fan "on" or "OFF".
Test 58C: Ice Level Sensor Test
(See Flow Chart Test #58C)
Interactive test with audio.
This test has the requirement that the ice bucket be
removed from the ice maker chamber prior to entering
this test. Also, if the ice mold is in the "Fill" position
there can be no ice on the evaporator fingers.
Start the test by pushing the ON/OFF key. The ice maker
controller drives the mold to the Freeze position if it is
not already there. The Freezer will display ice maker
sensor status "OFF", indicating that the bale arm is in its
lower position. Manually raise the bale arm and observe
the display changing status to "on" with repeatable audio
continuously sounding "wrong Key" alarm as long as the
switch is "on". Let the arm go back down and the display
will change back to "OFF" with no sound.
NOTE: To verify sensor switch, manually push and
release the switch plunger. See "OFF" and "on" (with
sound) displayed accordingly.
Test 59C: "Fill" Limit Switch Test
(See Flow Chart Test #59C)
Interactive test with audio
Upon entering the test, the ice mold position is checked.
If is not already in "Freeze" position, the mold is driven
to "Freeze". The Freezer display will show the current
status of the "Fill" limit switch, which should be "OFF".
Remove the ice maker cover for better switch access.
Activate the switch manually to observe the "on" status
displayed on the Freezer display and hear the audio
alarm (See test 58C). Release the switch and display will
change to 'OFF" with no sound.
Test 60C: "Freeze" Limit Switch Test
(See Flow Chart Test #60C)
Interactive test with audio.
Upon entering the test, ice mold position is checked. If
is not already in the "Fill" position the mold is driven
to the "Fill" position. The Freezer display will show the
current status of the "Freeze" limit switch, which should
be "OFF". Remove the ice maker cover for better switch
access. Activate the switch manually to observe the "on"
status displayed on Freezer display and hear the audio
alarm (See test 58C). Release the switch and display will
change to 'OFF" again with no sound.
Test 61C: Ice Maker Evaporator Heater Test
(See Flow Chart Test #61C)
Interactive.
Pull the cartridge heater out of the ice maker assembly
before staring this test. The electric wires are to be
connected and the ambient air temperature less then
48°F in order for bi-metal in-line switch to remain closed.
Touch the ON/OFF key to activate the heater. Verify
manually if the heater is working. Touching the ON/OFF
key again will turn the heater Off. The Freezer display
shows the heater current state "on" or "OFF".
Test 62C: EEV Test
(See Flow Chart Test #62C)
Automated.
Touch the ON/OFF key to start the test. When waiting
for the automated test result, the Fresh Food display will
be flashing the test ID and the Freezer display will be
showing the TH3 current temperature. (The ice maker
controller will fully open the EEV and wait 120 seconds
for the TH3 temperature to drop off a minimum 2°F).
After the delay, the test result is displayed on the Freezer
display as "P" for "Pass" or "F" for "Fail".
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