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Section 3 - Service and Repair
ORIGINS ELECTRONIC CONTROL
Origins Keypad Options
DANGER
DANGER
Electrocution can cause death or serious injury. Burns from hot
or cold surfaces can cause serious injury. Take precautions when
servicing this unit.
• Disconnect the power source.
• Do not stand in standing water when working around
electrical appliances.
• Make sure the surfaces you touch are not hot or frozen.
• Do not touch a bare circuit board unless you are wearing
an anti-static wriststrap that is grounded to an electrical
ground or grounded water pipe.
• Handle circuit boards carefully and avoid touching
components.
NOTE: When touching key combinations in which you hold one key and
press another three times it is important to carefully follow the procedure.
1. Hold the desired key.
2. Press the other key three times.
3. Release the held key only after releasing the touched key for the
third time.
Except as noted, these functions are available on all models.
ON/OFF
The ON/OFF mode allows the unit to be turned on and off via the
keypad. To do this, hold the key for approximately 10 seconds until
the “F” begins to flash. Release and the unit will switch modes. In the
OFF position the cabinet light will remain operational. This mode
does not disconnect power from the circuit board so it is still “live.”
CABINET LIGHT
On units with glass doors, touching the LIGHT key will turn on the
cabinet light for four hours at a time. Touching the key again will turn
the light off. Using the cabinet light for more than four hours may be
detrimental to the cabinet temperature and product. Only available
on 1175BEV, 1115WC and 1175WC models.
IMPORTANT
IMPORTANT
This does not apply to ADA24R glass door units. The
light and display are always off when the glass door
is closed.
Adjusting the Set-point
To adjust the set-point press and release either the WARMER or
COLDER key. This will start the set-point flashing. While in this
mode you can adjust the set-point warmer or colder until the desired
temperature is reached. The factory recommended set-point is 38°F
for refrigerators/refrigerator-freezers and 50°F for wine coolers.
When adjustment is complete stop touching the display and the set-
point will be saved in approximately five seconds.
VIEWING ACTUAL TEMPERATURE
In viewing temperature in these modes any offsets are taken into
account. This means that if you place a thermistor in a known
temperature, let’s say ice water, it may not read the 32°F that you
would assume. If the control offset was preset at -3°F while you
placed the thermistor in an icebath, the actual thermistor reading
when viewing actual temperature would read 35°F. In the unit this
would cause the cabinet to push itself 3° cooler. To view pure
thermistor readings you must go into the service menu and choose
the correct option.
To view the thermistor temperature, hold the WARMER key for
approximately five seconds until the “F” flashes. Release and the
display will show the corrected refrigerator temperature. For Wine
Cooler models the display will cycle through all three zones. These
temperatures are approximate and calibrated for a cabinet in normal
ambient temperatures with some product load. Checking a
completely unloaded cabinet may result in other temperatures.
CHANGING FROM FAHRENHEIT TO CELSIUS
To change the displayed temperature from °F to °C, hold the LIGHT
key and press COLDER three times. This will change all values to °C.
When the key combination is accepted the control will 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 COLDER key and press the LIGHT button three times. Once
entered, the degree symbol will begin to flash. When the degree
symbol is flashing the unit will allow the use of the control for
demonstrations. 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. 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: This mode
needs to be exited by the same key combination as used to enter the
mode.
SERVICE MODE
This mode has 16 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.” 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 setting, you must press the LIGHT key
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 go off with the door, press the up arrow and touch the
ON/OFF key three times. The °F sign will flash 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 1115WC and 1175WC.
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. It will stay off for 36 hours, at which time it will automatically