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ELECTROLUX REFRIGERATOR 2500 ++ Control Board TURN TO PAGE 183 IN YOUR TRAINING MANUAL.

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Presentation on theme: "ELECTROLUX REFRIGERATOR 2500 ++ Control Board TURN TO PAGE 183 IN YOUR TRAINING MANUAL."— Presentation transcript:

1 ELECTROLUX REFRIGERATOR Control Board TURN TO PAGE 183 IN YOUR TRAINING MANUAL

2 Main Board Located under the refrigerator User Interface Board Located in the door

3 Service Mode ACTIVATION OF SERVICE MODE Press and hold the FREEZER TEMPERATURE UP (+) key and FREEZER TEMPERATURE DOWN ( -) for 5 seconds. Each press of the FRESH FOOD TEMPERATURE UP (+) will step through the variables of each test and display the test information in the Fresh Food Display.

4 Service Mode REMEMBER: This is a service mode, not a diagnostic mode. The service mode will allow you to test components but will not show specific error codes although the does have the capability to show an error during some tests.

5 Service Mode On activation of the service mode, all LED lights on the display will illuminate. - Pressing the Fresh Food (+) key will blank the display - Pressing the FF (+) key again will begin the first test. To actuate a load on a particular component (turn it on or off), use the ON/OFF key present on the user interface. To step to the next test – use the FF (+) key.

6 Service Mode Once you pass a number, you can not go back

7 Service Mode AC Load Testing 2 = Defrost Heater 3 = Fresh Food Lights 8 = Water Valve 9 = Freezer Lights 10 = Auger Motor 11 = Cubed / Crush Solenoid 12 = Condenser Fan

8 Service Mode DC Load Testing 38 = Vcc Compressor 15 = Evaporator Fan 22 = Damper

9 Service Mode Digital Input Test 23 = FF Door Switch 24 = FZ Door Switch 26 = DTT - Defrost Limit Switch 27 = FF Ice Maker 28 = Paddle 29 = FF Thermistor (Er in FZ if bad) 30 = FZ Thermistor (Er in Fz if bad) 33 = Ambient Thermistor (Er in FZ if bad)

10 Service Mode Flapper Test 36 = Fire Solenoid with On/Off

11 Service Mode DEACTIVATION OF SERVICE MODE Press and hold the FF(+) for 5 seconds Mode will automatically deactivate after 5 minutes of no key entry

12 Service Mode MANUAL DEFROST MODE Activation: Press and hold FF temperature (+) key while pressing the FF temperature (-) within 6 seconds. FREEZER SHOULD DISPLAY d FRESH FOOD DISPLAY F

13 Service Mode MANUAL DEFROST MODE If the manual defrost is activated during a normal automatic defrost cycle, then: FREEZER DISPLAY AD FRESH FOOD DISPLAY F After completion of the automatic defrost cycle, the power board will send the heater ON time. U/I should display this on time for 10 seconds.

14 Service Mode MANUAL DEFROST MODE DeActivation: Press and hold FF temperature (+) key while pressing the FF temperature (-) within 6 seconds or do a power-on-reset. FREEZER SHOULD DISPLAY d FRESH FOOD DISPLAY F

15 Service Mode DEFROST FAILURE FREEZER DISPLAY will flash 1hz FRESH FOOD DISPLAY will flash 1 hz

16 Service Mode Communication in between and UI board If the communication is lost between the Main control board and the User Interface, the following will occur: 1.The user interface will show CE in both the FF and FZ displays 2.The user interface will disable all functions including alarms

17 ALERTS FF actual temperature greater than 55 degrees and above 55F degrees for 20 minutes - display HI in FF display. FZ actual temperature greater than 26 degrees and above 26F degrees for 20 minutes - display HI in FZ display

18 ALERTS During and 1 hour after defrost: high temperature alarm is disabled. Show Room Mode will display 70 in both displays System OFF: display OFF in both FF and FZ displays Sabbath Mode: Display 5b in both FF and FZ displays Evaporator Fan failure: Display E in FZ display and display f in FF display Door Ajar: if system is ON and door remains open for more than 5 minutes

19 Service Mode


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