For Service Technician Use Only
DIAGNOSTICS
1-20
n
French-Door Bottom Mount Refrigerator
Diagnostics
Accessing Service Mode
•
Keep both “—” and “—” buttons pressed for 3 seconds or [
]
and [ ] buttons.
•
Countdown will display and a chime will play upon entry into
Service mode.
To Enter Service Diagnostics Mode:
Service mode requirement Button on Main UI
Enter Service Key Combination “—” and “—” temperature
buttons pressed for 3 seconds
Enter Key for Navigation
“Drawer” button
Increment Key for Navigation
“+” button on the upper
7 segment display
Decrement Key for Navigation
“-“ button on the upper
7 segment display
Back Key for Navigation
“Max Cool” button
Degree C LED Indicator
“°C” indicator
Degree F LED Indicator
“°F” indicator
To Exit Service Diagnostics Mode:
To Exit Service diagnostics, use “Max Cool” Key to back out of
functional test. Press and hold “-” and “-” temperature buttons
simultaneously for 3 seconds.
NOTE:
If a test or mode runs over “99” on the display, the User
Interface will flash digit 1 for one second, and then display digit 2.
The number will display. i.e. “100” will display “1” first for one
second, then display “00”. “101” will display “1” first for one
second, and then display “01”, etc.
Service Tests
Service Test - 00 Exit Service Mode:
•
This step is an alternative method to exit service mode and
return to Normal Operation.
Service Test - 01 RC Thermistor
•
Read RC compartment Temperature. SH indicates “shorted”
thermistor, OP indicated “open” thermistor.
Service Test - 02 FC Thermistor
•
Read FC compartment Temperature. SH indicates “shorted”
thermistor, OP indicates “open” thermistor.
Service Test - 03 RC Evaporator Thermistor
•
Read Refrigerator Evaporator Temperature. SH indicates
“shorted” thermistor, OP indicates “open” thermistor.
Service Test - 04 First FC Evaporator Thermistor
•
Read Freezer Evaporator Temperature. SH indicates “shorted”
thermistor, OP indicates “open” thermistor.
Service Test - 05 Pantry Thermistor
•
Read Pantry compartment Temperature. SH indicates
“shorted” thermistor, OP indicates “open” thermistor.
Service Test - 14 Door Ice Box Thermistor
•
Read RC compartment Temperature. SH indicates “shorted”
thermistor, OP indicates “open” thermistor.
Service Test - 16 Door Ice Maker Tray Thermistor
•
Read Icemaker Tray C Temperature. SH indicates “shorted”
thermistor, OP indicates “open” thermistor.
Service Test - 17 Freezer Ice Maker Tray Thermistor
•
Read Freezer Icemaker Tray Temperature. SH indicates
“shorted” thermistor, OP indicates “open” thermistor.
Service Test - 18 Second FC Evaporator Thermistor
•
Read Freezer Evaporator Temperature. SH indicates “shorted”
thermistor, OP indicates “open” thermistor.
Service Test - 23 RC Maximum Temperature; Service
Test - 24 FC Maximum Temperature; Service Test - 25
Pantry Maximum Temperature; Service Test - 26 Ice
Box Maximum Temperature
•
Maximum temperature reached during the last 6 hours of
operation. Temperature is saved every hour, keeping the last 6
hours for analysis. The maximum is displayed on the UI screen
from the last six saved values.
Service Test - 28 RC Average Temperature; Service
Test - 29 FC Average Temperature; Service Test - 30
Pantry Average Temperature; Service Test - 31 Ice Box
Average Temperature
•
Average temperature during the last 6 hours of operation.
Average is calculated using a running average filter.
Service Test - 33 RC Minimum Temperature; Service
Test - 34 FC Minimum Temperature; Service Test - 35
Pantry Minimum Temperature; Service Test - 36 Ice Box
Minimum Temperature
•
Minimum temperature reached during the last 6 hours of
operation. Temperature is saved every hour, keeping the last 6
hours for analysis. The minimum is displayed on the UI screen
from the last 6 saved values.
Service Test - 38 Compressor Speed Change without
Ramp
•
Control the compressor speed. When entering service test,
the compressor goes off if it was previously on.
•
Change the compressor duty cycle between 0 and the
maximum compressor speed by pressing “+” to increment
and “-” to decrease the speed.
•
For Linear Compressors there is a compressor protection
against shutting the compressor off for 2½ minutes after
changing to the ON state. Therefore the compressor will run
for 2½ minutes after changing the speed.
