Manitowoc Indigo NXT Series Technician's Handbook

150 Part Number: 000015431 Rev01 5/19
SYMPTOM
The alert log indicates a T1, T2, T3, or T4 Fault.
CHECK PROCEDURE
NOTE: Navigate to Menu/Service/Data/Real Time data/
Time & Temperature
NOTE: An open thermistor will display -10°F (-23°C) and a
shorted thermistor displays 400°F (204°C).
Thermistor Test
1. Disconnect the suspect thermistor from the control
board and swap with another thermistor.
A. The symptoms move with the thermistor -
Replace the thermistor.
B. The symptom does not change - Perform control
board test.
Control Board Test
1. Disconnect thermistor from control board - The
display temperature reading, dropping to -10°F
(-23°C) indicates the control board is good.
2. Short thermistor pins - The display temperature
reading, climbing to 400°F (204°C) indicates the
control board is good.

Manitowoc Indigo NXT Series Specifications

General

Model	Indigo NXT Series
Ice Production	Varies by model
Ice Storage	Varies by model
Energy Efficiency	Energy Star certified models available
Refrigerant	R290 (varies by model)
Cooling System	Air-cooled or water-cooled (varies by model)
Condenser Type	Air-cooled, Water-cooled, or Remote
Touch Display	Yes, with intuitive interface
Control	Cleaning Alerts
Features	Self-cleaning, remote monitoring, energy-saving modes
Power Supply	Varies by model (typically 115V or 208-230V)
Dimensions (H x W x D)	Varies by model
Weight	Varies by model