Welbilt Manitowoc NEO UDP0080A User Manual

Welbilt Manitowoc NEO UDP0080A

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Part Number STH098 06/19

UDP R290 Refrigerant

Undercounter Ice Machines

Technician’s Handbook

This manual is updated as new information and models are

released. Visit our website for the latest manual.

www.manitowocice.com

Table of Contents

Questions and Answers:

L
Leonard YoungAug 13, 2025
Why my Welbilt Manitowoc NEO UDP0080A Ice Maker does not operate?
- S
  sarahramirezAug 13, 2025
  There are several reasons why your Welbilt Ice Maker might not be operating. First, check if there is electrical power reaching the unit. Ensure the fuse is intact, the breaker hasn't tripped, the main switch is on, and the power cord is properly plugged into the receptacle. Also, make sure the ice maker is turned on by pressing the On/Off button. Finally, the damper must be in the upright position and able to swing freely.
K
Kevin ShawAug 17, 2025
Why Welbilt Manitowoc NEO UDP0080A Ice Maker has low ice capacity?
- L
  Leslie SavageAug 17, 2025
  If your Welbilt Ice Maker has a low ice capacity, consider these potential causes: A dirty condenser can restrict performance, so clean it. High air temperature around the unit (for air-cooled models) can be a factor; ensure it doesn't exceed 110° F (43°C). Make sure there is adequate clearance around the machine to allow proper ventilation. Remove any objects blocking airflow to the condenser. Hot incoming water can also reduce capacity, so connect the unit to a cold water supply. Finally, verify that the incoming water pressure is within the range of 20-80 psi (137.9 -551.5 kPa) and replace the water filter if it's restricted.
G
Gary LopezAug 21, 2025
How to improve ice quality in Welbilt Manitowoc NEO UDP0080A Ice Maker?
- O
  owenskathleenAug 21, 2025
  If the ice quality from your Welbilt Ice Maker is poor (soft or not clear), it could be due to several factors. The incoming water quality might be poor, so test it and consider appropriate filter recommendations. Poor water filtration is another common cause, so replace the filter. A dirty ice machine can also affect ice quality, so descale and sanitize it. Lastly, if you have a water softener, ensure it's working properly and repair it if needed.
M
Mario MyersAug 25, 2025
What to do if Welbilt Ice Maker does not release ice?
- R
  Rebecca ArellanoAug 25, 2025
  If your Welbilt Ice Maker is not releasing ice or is slow to harvest, it could be due to a few reasons. First, the ice machine might be dirty, so descale and sanitize it. Second, check if the ice machine is level and adjust if necessary. Finally, if you have an air-cooled model, ensure the air temperature around the ice machine is at least 40° F (4°C).
A
Amanda JacksonAug 28, 2025
Why Welbilt Manitowoc NEO UDP0080A produces shallow cubes?
- G
  Gary SimpsonAug 28, 2025
  If your Welbilt Ice Maker produces shallow or incomplete cubes, or the ice fill pattern on the evaporator is incomplete, several factors could be the cause. The ice thickness switch might be out of adjustment, so adjust it. Check the water trough level to ensure it's neither too high nor too low. Poor water filtration can also cause this issue, so replace the filter. Hot incoming water can affect cube formation, so connect the ice machine to a cold water supply. Make sure that the incoming water pressure is correct (20-80 psi or 137.9 -551.5 kPa). Finally, make sure the ice machine is level.
F
Felicia NicholsSep 1, 2025
Why is ice sheet thick in Welbilt Manitowoc NEO UDP0080A?
- R
  russell95Sep 1, 2025
  If the ice sheet in your Welbilt Ice Maker is too thick, it could be due to a few reasons. The water trough level might be too high, so adjust the ice thickness float. Also, if the power button was turned off/on during the freeze cycle and ice remained on the evaporator, allow the ice to thaw and release, then restart the machine. Similarly, if the ice damper was opened then closed in the harvest cycle before the ice released, allow the ice to thaw and release, then restart.
P
Phillip GarciaSep 5, 2025
What to do if Welbilt Manitowoc NEO UDP0080A Ice Maker doesn't cycle into harvest mode?
- S
  Sarah MarquezSep 5, 2025
  If your Welbilt Ice Maker isn't cycling into harvest mode, it could be because the six-minute freeze time lock-in hasn't expired yet, so wait for it to expire. Alternatively, the harvest float switch could be dirty, so descale and sanitize the ice machine. Also, check if the harvest float switch wire is disconnected and connect it if necessary. The harvest float switch might also be out of adjustment, so adjust it. Finally, uneven ice fill (thin at the top of the evaporator) can cause this issue.
S
shepardsergioSep 8, 2025
How to fix long harvest cycles in Welbilt Manitowoc NEO UDP0080A Ice Maker?
- T
  Thomas ByrdSep 9, 2025
  To address long harvest cycles with repeated safety limit indications in your Welbilt Ice Maker, descale the ice machine and perform diagnostic procedures as required.

Welbilt Manitowoc NEO UDP0080A Specifications

General

Model	NEO UDP0080A
Type	Undercounter Ice Maker
Ice Production Capacity	80 lbs per day
Weight	150 lbs
Condenser Type	Air-cooled
Power Supply	115V/60Hz
Water Supply	Potable water supply
Water Connection	3/8 inch

Summary

Technician's Handbook

Safety Notices

Installation Guide

Location and Clearance Requirements

Electrical Requirements

Information on electrical specifications and connections.

Maintenance Procedures

Operation

Safety Limits and Operational Checks

Troubleshooting Guide

Refrigeration Diagnostics

Methods for diagnosing refrigeration system problems.

Component Checks and Procedures

Compressor Electrical Diagnostics

Flammable Refrigerant Procedures

Installation - Location of Ice Machine

Electrical Specifications

Water Service and Inlet Lines

Drain Connections

Maintenance - Interior Cleaning

Detailed Descaling and Sanitizing Procedure

Step-by-step instructions for descaling and sanitizing.

Detailed Descaling and Sanitizing Procedure UDP0080

Safety Limits Overview

Safety Limit 1 and 2

Troubleshooting UDP0140/UDP0240/UDP0310 - Problem Checklist

Troubleshooting Common Issues

Control Board Test Mode

Safety Limit Feature Explained

Diagnosing a Machine That Will Not Run

Ice Machine Does Not Cycle Into Harvest

Refrigeration Diagnostics

Discharge Line Temperature Analysis

Comparing Evaporator Inlet/Outlet Temperatures

Refrigeration Diagnostic Procedure

Harvest Valve Analysis

Component Check Procedures - Compressor Electrical Diagnostics

Flammable Refrigerant Procedures - Servicing Requirements

System Contamination Cleanup

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