Presentation on theme: "ELECTROLUX REFRIGERATOR"— Presentation transcript:
1 ELECTROLUX REFRIGERATOR Control BoardTURN TO PAGE 183 IN YOUR TRAINING MANUAL
2 2500 ++ User Interface Board Main Board Located in the doorMain BoardLocated under the refrigerator
3 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 ModeREMEMBER: 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 ModeOn 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 Once you pass a number, you can not go back Service ModeOnce you pass a number,you can not go back
7 AC Load Testing 2500++ Service Mode “2” = Defrost Heater “3” = Fresh Food Lights“8” = Water Valve“9” = Freezer Lights“10” = Auger Motor“11” = Cubed / Crush Solenoid“12” = Condenser Fan
8 DC Load Testing 2500++ Service Mode “38” = Vcc Compressor “15” = Evaporator Fan“22” = Damper
9 Digital Input Test 2500++ Service Mode “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 ModeFlapper Test“36” = Fire Solenoid with On/Off
11 DEACTIVATION OF SERVICE MODE Press and hold the FF(+) for 5 secondsMode will automatically deactivate after 5 minutes of no key entry
12 MANUAL DEFROST MODE 2500++ Service 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 MANUAL DEFROST MODE 2500++ Service 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 MANUAL DEFROST MODE 2500++ Service 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 DEFROST FAILURE 2500++ Service Mode FREEZER DISPLAY will flash 1hzFRESH FOOD DISPLAY will flash 1 hz
16 2500++ Service Mode Communication in between 2500++ and UI board If the communication is lost between the Main control board and the User Interface, the following will occur:The user interface will show “CE” in both the FF and FZ displaysThe user interface will disable all functions including alarms
17 ALERTSFF 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 ALERTSDuring and 1 hour after defrost: high temperature alarm is disabled.Show Room Mode will display 70 in both displaysSystem OFF: display “OFF” in both FF and FZ displaysSabbath Mode: Display “5b” in both FF and FZ displaysEvaporator Fan failure: Display “E” in FZ display and display “f” in FF displayDoor Ajar: if system is ON and door remains open for more than 5 minutes