Manitowoc IYF0900C

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Part Number 000014141 Rev 07 2/20

Indigo NXT Ice Machines

Installation, Operation and Maintenance Manual

Original Document

,

Caution

Read this instruction before operating this equipment.

Engineered for Ease

Table of Contents

Other manuals for Manitowoc IYF0900C

Technician's Handbook212 pages

Questions and Answers:

K
Kyle WardAug 13, 2025
Why is my Manitowoc IYF0900C not working?
- B
  Brooke CampbellAug 14, 2025
  If your Manitowoc Ice Maker isn't operating, several factors could be at play. First, ensure the unit is receiving electrical power by checking the fuse, resetting the breaker, or turning on the main switch. A tripped high-pressure cutout might also be the culprit, requiring you to clean the condenser coil. Confirm that Energy Saver settings or other custom programming aren't inadvertently halting the ice machine. Make sure the water curtain is correctly installed and swings freely. Verify the ice machine is powered on, with the display indicating “Making Ice”. For IB Models, check that the dispenser ice level thermostat is correctly adjusted.
G
Gina JonesAug 17, 2025
Why is my Manitowoc Ice Maker not making ice?
- L
  Laurie GarciaAug 17, 2025
  Your Manitowoc Ice Maker might not be operating due to several reasons: * There's no electrical power: Replace the fuse, reset the breaker, or turn on the main switch. * The high-pressure cutout is tripping: Clean the condenser coil. * Energy Saver mode is stopping the ice machine: Reset to factory defaults. * The water curtain is off or stuck open: Ensure the water curtain is installed and swinging freely. * The ice machine is not turned on: Press the power button; the display must indicate “Making Ice.” * For IB Models Only - The dispenser ice level thermostat is open: Adjust the thermostat to maintain the correct dispenser level.
L
Lori GibsonAug 21, 2025
How to fix a Manitowoc IYF0900C Ice Maker that is not releasing ice?
- C
  Charles MitchellAug 21, 2025
  If your Manitowoc Ice Maker is not releasing ice or is slow to harvest, several factors could be responsible. Start by descaling and sanitizing the ice machine, as it might be dirty. Ensure the ice machine is level. The air temperature around the ice machine head section must be at least 35°F (2°C). If the fan cycle control isn't de-energizing the condenser fan motor, call for service. Check if the water regulating valve is incorrectly adjusted or won't close; if water is present at the condenser drain outlet during the harvest cycle, contact a qualified service company to adjust or replace the valve.
L
Linda HessAug 26, 2025
What to do if my Manitowoc IYF0900C Ice Maker produces poor quality ice?
- T
  Thomas SteeleAug 26, 2025
  If your Manitowoc Ice Maker is producing soft or unclear ice, it could be due to: * Poor incoming water quality. * Poor water filtration: Replace the filter. * The ice machine is dirty: De-scale and sanitize the ice machine. * The water dump valve is not working: Disassemble and de-scale the water dump valve. * The water softener is working improperly (if applicable): Repair the water softener.
H
herreradanielAug 29, 2025
Why is my Manitowoc IYF0900C producing shallow or incomplete cubes?
- L
  lellisAug 29, 2025
  If your Manitowoc Ice Maker is producing shallow or incomplete cubes, or the ice fill pattern on the evaporator is incomplete, consider the following: * The ice thickness probe is out of adjustment: Adjust the ice thickness probe. * The water trough level is too low: Check the water level probe position. * The water inlet valve filter screen is dirty: Remove the water inlet valve and de-scale the filter screen. * Poor water filtration: Replace the filter. * Hot incoming water: Connect the ice machine to a cold water supply. * The water inlet valve is not working: Replace the water inlet valve. * Incorrect incoming water pressure: Ensure water pressure is between 20 psi - 80 psi (140 kPa - 550 kPa). * The ice machine is not level: Level the ice machine.
J
Joseph HickmanSep 1, 2025
How to fix low ice capacity in my Manitowoc Ice Maker?
- C
  Charles JonesSep 2, 2025
  If your Manitowoc Ice Maker has a low ice capacity, check these possible causes: * The water inlet valve filter screen is dirty: Remove the water inlet valve and de-scale the filter screen. * The incoming water supply is shut off: Open the water service valve. * The water inlet valve is stuck open or leaking: Press the power button and turn off the ice machine; if water continues to enter the water trough, replace the water inlet valve. * The condenser is dirty: Clean the condenser. * High air temperature entering the condenser. * The harvest assist air compressor is not functioning.
J
John WilliamsSep 5, 2025
What to do if my Manitowoc IYF0900C does not release ice?
- W
  Whitney MullinsSep 5, 2025
  If your Manitowoc Ice Maker is not releasing ice or is slow to harvest, consider these potential issues: * The ice machine is dirty: De-scale and sanitize the ice machine. * The ice machine is not level: Level the ice machine. * Low air temperature around the ice machine head section: Ensure the air temperature is at least 35°F (2°C). * Fan cycle control does not de-energize condenser fan motor. * The water regulating valve is incorrectly adjusted or will not close: Check for water at the condenser drain outlet in the harvest cycle. Contact a qualified service company to adjust/replace the valve if water is present.
J
John MillerSep 9, 2025
Why won't my Manitowoc Ice Maker cycle into harvest mode?
- K
  Keith RobertsSep 9, 2025
  If your Manitowoc Ice Maker is not cycling into harvest mode, it might be due to: * The six-minute freeze time lock-in has not expired yet: Wait for the freeze lock-in to expire. * The ice thickness probe is dirty: De-scale and sanitize the ice machine. * The ice thickness probe is disconnected: Connect the probe to the control board. * The ice thickness probe is out of adjustment: Adjust the ice thickness probe. * Uneven ice fill (thin at the top of the evaporator): Verify sufficient water level in the sump trough. Contact a qualified service company to check the refrigeration system.

Manitowoc IYF0900C Specifications

General

Ice Type	Dice
Condenser Type	Air-cooled
Refrigerant	R-404A
Voltage	208-230V
Ice Production Capacity	900 lbs/24 hours
Power Supply	208-230V/60Hz/1Ph
Type	Modular
Ice Production	900 lbs (408 kg) per 24 hours
Water Connection	3/8" FPT

Summary

Safety Information

General Safety Precautions

Covers personal injury prevention during installation and operation.

Hazard Definitions

Explains DANGER, Warning, Caution, and Notice indicators.

Refrigeration System Safety

Details hazards and precautions for refrigerant handling.

Electrical Safety

Outlines electrical installation and operation safety.

Installation Procedures

Site Selection and Requirements

Installation Requirements

Clearance Requirements

Electrical Requirements

Water Supply and Drain Connections

Refrigeration System Installation

Operation and Controls

Control Panel and Touchscreen Interface

Setup Wizard and Configuration

Ice Making Cycle Details

Troubleshooting Common Issues

Problem Diagnosis Checklist

Guides users through identifying and resolving common faults.

Understanding Service Faults

Explains system-generated error conditions.

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