ELECTROLUX REFRIGERATOR

2500 ++ Control Board

TURN TO PAGE 183 IN YOUR TRAINING MANUAL

Main BoardLocated under the refrigerator

2500 ++ User Interface BoardLocated in the door

2500++ 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.

2500++ 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 2500++ does have the capability to show an error during some tests.

2500++ 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.

2500++ Service Mode

Once you pass a number,

you can not go back

2500++ 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

2500++ Service Mode

DC Load Testing“38” = Vcc Compressor

“15” = Evaporator Fan

“22” = Damper

2500++ 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)

2500++ Service Mode

Flapper Test“36” = Fire Solenoid with On/Off

2500++ 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

2500++ 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”

2500++ 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.

2500++ 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”

2500++ Service Mode

DEFROST FAILURE

FREEZER DISPLAY will flash “d” @ 1hz

FRESH FOOD DISPLAY will flash “F” @ 1 hz

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:

1. The user interface will show “CE” in both the FF and FZ displays

2. The user interface will disable all functions including alarms

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

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

2500++ Service Mode