Service Manual
Table Of Contents
- Safety Notices
- Definitions
- General Information
- Installation
- Maintenance
- Operation
- Troubleshooting
- Troubleshooting
- Troubleshooting By Symptom
- Reset To Factory Defaults
- Symptom #1 - Ice Machine Will Not Run
- #2 - Low Production, Long Freeze Cycle
- Symptom #2 - Freeze Cycle Refrigeration System Operational Analysis Tables
- Symptom #3 & #4 - Harvest Problems Self‑contained Air, Water & Remote Condenser Models
- Symptom #3 - Self-Contained Air or Water-cooled
- Symptom #3 - Remote Condenser
- Symptom #4 - Self-Contained Air, Water-Cooled or Remote
- Component Check Procedures
- Electrical Components
- Control Board, Display And Touchscreen
- Control Board Relay Test
- Programming A Replacement Control Board
- USB Flash Drive Specifications and Formatting
- Exporting Data to a Flash Drive
- Upgrading Firmware with a Flash Drive
- Main Fuse
- Bin Switch
- Water Level Control Circuitry
- Ice Thickness Probe (Initiates Harvest)
- Bin Level Probe
- Thermistors
- High Pressure Cutout (HPCO) Control
- Fan Cycle Control
- Harvest Assist Air Pump
- Compressor Electrical Diagnostics
- Diagnosing Start Components
- Refrigeration Components
- Refrigerant Recovery/Evacuation
- System Contamination Clean-Up
- Liquid Line Filter-Driers
- Replacing Pressure Controls Without Removing Refrigerant Charge
- Total System Refrigerant Charge
- Electrical Components
- Charts
- Diagrams
- Wiring Diagrams
- Wiring Diagram Legend
- IF0300/IT0420/IT0450/IT0500/IT0620/IT0750 1ph Air/Water
- IT0500/IT1200 - 1ph Remote Air-Cooled
- IF0600/IF0900/IT0900/IT1200 - 1ph Air/Water
- IF0600/IF0900/IT0900/IT1200 - 3ph Air/Water
- IT1500/IT1900 - 1ph Air/Water
- IT1500/IT1900 - 3 ph Air/Water
- IF0500/IF0600/IF0900/IT1200/IF1500 - 1ph Remote
- IF0500/IF0600/IF0900/IT1200/IF1500 - 3ph Remote Condenser
- Electronic Control Board
- Refrigeration Tubing Schematics
- Wiring Diagrams
46 Part Number: 000015430 Rev 02 5/20
Step 12 Replace all removed components.
Step 13 Wait 20 minutes.
Step 14 Reapply power to the ice machine and press the
Clean button.
Step 15 Press the Clean button and select “Make ice
when complete”. Water will flow through the water dump
valve and down the drain. Wait approximately 1 minute
until the water trough refills and the display indicates Add
Chemical. Add the proper amount of ice machine sanitizer
to the water trough by pouring between the water curtain
and evaporator, then confirm the chemical was added.
Model Amount of Sanitizer
IF0300/IT0300/IT0420/IT0450
IT0620/IT0450/IF0500/IT0500
IF0600/IT0750/IF0900/IT0900
IT1200
3 ounces (90 ml)
IT1500/IT1900 6 ounces (180 ml)
Step 16 The ice machine will automatically start ice
making after the sanitize cycle is complete.