Jenn-Air JFX2897DRM Service Manual page 25

Service Test – 21 Water Filter Time Rating
• Displays in two sequential flashes the total time rating in
days for the water filter on the UI display. Wait until dash is
displayed which means end of the number. (00/0- to 99/9)
Example: 123 will be displayed as
Service Test – 22 Water Filter Usage
• Displays in two sequential flashes the current water filter
status in gallons used since last reset on the UI display. Wait
until dash is displayed which means end of the number.
(00/0- to 99/9-) Example: 123 will be displayed as
Service Test – 23 Water Filter Time
• Displays in two sequential flashes the current water filter
status in days since last reset on the UI display. Wait until
dash is displayed which means end of the number.
(00/0- to 99/9) Example: 123 will be displayed as
Service Test – 24 Water Filter Reset
• Displays in two sequential flashes the current times the water
filter was reset on the UI display. Wait until dash is displayed
which means the end of the number.
(00/0- to 99/9) Example: 123 will be displayed as
Service Test – 26 Main Control Software Version
NOTE: Not normally used.
• Displays in three sequential flashes the Main Control
software version on the UI display.
NOTE: This is repeatedly displayed during all time in this step.
00/00/00 to 99/99/99.
Service Test – 27 Dispenser UI Control Software Version
NOTE: Not normally used.
• Displays in three sequential flashes the Dispenser UI Control
software version on the UI display.
NOTE: This is repeatedly displayed during all time in this step.
00/00/00 to 99/99/99.
Service Test – 29 Low Voltage IDI Software Version
NOTE: Not normally used.
• Displays in three sequential flashes the low voltage software
version on the UI display.
NOTE: This is repeatedly displayed during all time in this step.
00/00/00 to 99/99/99.
Service Test – 31 Touch Input Module Software
NOTE: Not normally used.
• Displays in three sequential flashes the Dispenser UI Control
software version on the UI display.
NOTE: This is repeatedly displayed during all time in this step.
00/00/00 to 99/99/99.
Service Test – 32 Ambient Thermistor UI Control
• This is an internal board test. The board will check the
resistance value of the thermistor and display the results.
(01 = Pass, 02 = Open, 03 = Short).
Service Test – 33 Humidity Sensor UI Control
• Relative Humidity Test
(Humidity % Value 0-99 = pass or Er = Fail).
Service Test – 34 Vertical Mullion Heater Mode
• Set the Vertical Mullion Heater Sensor Mode by selecting
SW3. (01 = Sensor Operation On, 02 = Sensor Operation Off
(Heater on 100%)).
For Service Technician Use Only
12 3- .
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12 3-
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12 3- .
Service Test – 35 Vertical Mullion Heater Status
• Control the Vertical Million Heater selecting SW3.
(toggle between On and Off) (01 = ON, 02 = OFF).
Service Test – 36 Ice Box Fan
• Check for fan operation. Control Ice Box Fan using SW3.
Displays the status on Temp Display.
(01 = ON, 02 = OFF). Verify air flow from the IB fan.
Service Test – 37 Ice Box Thermistor
• The board will check the resistance value of the thermistor
and displays the results on the Temp Display.
(01 = Pass, 02 = Open, 03 = Short).
Service Test – 38 Forced Defrost mode
• Set the Forced Defrost Mode by selecting SW3. OF = No
forced Defrost, Sh = Short Defrost, Lo = Long defrost.
Service Test – 39 RC Evap. Thermistor
• The board will check the resistance value of the thermistor
and displays the results on the Temp Display.
(01 = Pass, 02 = Open, 03 = Short.)
Service Test – 40 Horizontal Mullion Heater Mode
• Set the Horizontal Mullion Heater Sensor Mode by selecting
SW3. (01 = Sensor Operation On, 02 = Sensor Operation Off
(Heater on 100%)).
Service Test – 41 Horizontal Mullion Heater Status
• Control the Horizontal Mullion Heater selecting SW3.
(toggle between On and Off) (01 = ON, 02= OFF).
Service Test – 42 UI EEPROM Control Software Version
NOTE: Not normally used.
• Displays in three sequential flashes the Dispenser UI Control
software version on the UI display.
NOTE: This is repeatedly displayed during all time in this step.
00/00/00 to 99/99/99.
Service Test – 43 UI FLASH Control Software Version
NOTE: Not normally used.
• Displays in three sequential flashes the Dispenser UI Control
software version on the UI display.
NOTE: This is repeatedly displayed during all time in this step.
00/00/00 to 99/99/99.
Service Test – 45 Ice Maker Water Fill Test
NOTE: BEFORE INITIATING THIS TEST, GO TO STEP 57,
INITIATE ICE MAKER HARVEST TO INSURE ALL ICE IS EJECTED
FROM MOLD BEFORE FILLING.
• After an initial 3 seconds delay, displays the Ice Maker water
fill state on the UI display. Press SW3 to start a water fill.
Pressing SW3 will toggle between ON and PAUSE.
(02 = Off, 03 = On, 04 = Paused).
Service Test – 46 Water dispensing Test
• Displays the status of the water dispense valve. Press the
water pad to initiate a water dispense.
00 = Water Dispense Valve Off
01 = Water Dispense Valve On.
Service Test – 56 Ice Maker Error Codes
• Displays active Ice Maker Error Codes on the UI display.
(E0 = No Errors, E1 = No Cooling, E2 = Motor Lost Position,
E3 = Heater Timeout, E4 = Dry Cycle, E5 = Timed Ice Making).
DIAGNOSTICS
Four Door Bottom Mount
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2-7