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UC2024 and UC2724 Service Manual
Test Mode
The controller has a test mode that can be used by the
service tech to confirm operation.
To use test mode:
1. Place the evaporator thermistor probe in 32
2. Place the sump water thermistor probe in 32
water.
Note: The water pump does not operate during test
mode.
3. Push and hold the left plus (+) button and the lower
right minus (-) button for at least 5 seconds. Then
release them. The yellow LED will light up for 3
seconds.
4. Push and release the left plus (+)
button. The yellow light will switch
on if the evaporator thermistor
resistance is correct.
5. Push it again and if the water
thermistor resistance is correct, the
yellow light will switch on.
6. Push and release the right plus (+)
button. The blue light will switch on.
7. Push it again and the red light will
switch on.
8. Push and hold the right minus (-)
button. The green lights will switch
on one at a time as long as the
button is pushed in. Release when
completed.
9. Push and release the right minus
(-) button. The yellow light will switch on, indicating
correct system memory.
10. Disconnect electrical power to end test mode
F. water.
o
F.
o
November 2019
Page 22
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Do you have a question about the UC2024 Series and is the answer not in the manual?
Questions and answers
all,lights on bridge sensor are blinking is this normal in freeze mode?
No, it is not normal for all lights on the bridge sensor of the Scotsman UC2024 Series to blink in freeze mode. The document states that each push of the + or - button changes the indicator lights, with a blinking light indicating an adjustment in ice thickness. If all lights are blinking, it may indicate an issue or adjustment in progress rather than normal operation.
This answer is automatically generated