U-Line 2175WCOL Service and Repair, 3-31, VIEWING ACTUAL TEMPERATURE - 2275DWRWS ONLY, CO2175DWR

Section 3 - Service and Repair

VIEWING ACTUAL TEMPERATURE - 2275DWRWS ONLY

To view the temperature in the top and bottom drawer (T1 and T2), hold the WARMER key for five seconds until “°F” flashes. Release and the display will show the corrected temperatures of both zones on their respective displays. To view the temperature of T3 and T4, you must use the service mode.

VIEWING ACTUAL TEMPERATURE - 2275ZWC/2275ZWCOL ONLY

To display actual zone temperatures (not set-point):

1.Press and hold the WARMER icon for the desired zone for approximately five seconds until unit beeps, and release when the decimal in the display begins to flash (Figure 25).

2.The display will show the actual zone temperature.

3.After five seconds, the display will return to the set-point temperature.

	UPPER ZONE CONTROLS
Power Warmer Cooler Display			Light
	☛	Display Warmer Cooler
		LOWER ZONE CONTROLS
		ULIN_1011_A

Figure 25. Displaying Zone Temperature

CHANGING FROM FAHRENHEIT TO CELSIUS

To change the displayed temperature from °F to °C, hold the LIGHT key and press the down arrow three times. This will change all values to °C. When the key combination is accepted the control will beep once and change values.

SHOWROOM MODE

This mode is designed to show units in a display environment. When in this mode the only functions will be the control and cabinet lights. The compressor, fans, etc. will not operate. To enter this mode hold the down arrow and press the LIGHT button three times. When entered, the unit will beep once and the degree symbol will begin to flash. When the degree symbol is flashing the unit will allow the use of the control for demonstrations.

On early models, after not touching the unit for one minute the display will begin to “snake” around. This is meant to alert you the unit is in showroom mode.

On later models, the degree (°) flashes.

The unit can be left in this mode indefinitely. If you again want to demo the control, touch any key and the degree symbol will begin to flash. To exit this mode: If using software version 2.8, this mode will exit automatically when the unit is unplugged. If using software version 2.9, this mode needs to be exited by the same key combination as used to enter the mode.

SERVICE MODE

This mode has 27 different options available for service diagnostics. To enter the mode hold the WARMER key and press the LIGHT

button three times. The display will show “0” and the board will beep once. When in this mode the WARMER and COLDER keys will act as up and down arrows to select the desired option. The LIGHT key is the ENTER key and will enter a function. If changing a function, you must press the LIGHT button again to retain the changed setting. To exit the service mode, scroll to option 99 and press the LIGHT key. After five minutes of not touching any keys the mode will also exit automatically.

DISPLAY TOGGLE

On glass door units the display normally stays on all the time. To have the display turn off with the door press the up arrow and touch the ON/OFF key three times. The °F sign will flash and the board will beep once to let you know the mode has been accepted. This mode can be toggled on or off by the same key combination. To see if the display should be staying on 100% or turning off with the door, you can check service option 8. Only available on 2115WC, 2175W, 2275DWRWS, 2175BEV, 2275ZWC & 2275ZWCOL.

BLACKOUT MODE

Hold the LIGHT key for 10 seconds until the °F starts flashing. When released, the unit will beep once and the display and cabinet light will shut off. To cancel this mode, hold the LIGHT key again for about 10-12 seconds.

CLEAN CYCLE

To enter the self-cleaning cycle hold the ON/OFF key and press the light three times. The unit will beep once and the display will show CL. Follow the cleaning instructions. At the conclusion of this mode (1 hour) the display will revert to set-point and the unit will resume normal operation. To cancel this mode turn the unit off via the keypad. Only available on CLR2160 and

CLRCO2175.

ICE MAKER OFF MODE

This mode will stop ice production. To enter hold the ON/OFF key and press the up arrow three times. The unit will beep once when the mode is entered. After 5-10 seconds the display will start to scroll from “SP” to “Ice” to “Off” as long as the mode is active. To exit either turn the unit off via keypad or do the same key combination. Only available on CO2175F, CLRCO2175 and

CO2175DWR.

FORCED HARVEST

This mode can be used to force ice to harvest from the mold. To enter this mode hold LIGHT key and press the up arrow three times. The unit will initiate an ice harvest. There is no audible tone when entering this mode. Only available on CO2175F and

CO2175DWR.

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