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
80 Part Number: 000015430 Rev 02 5/20
EVENT LOG
Refer to “Event Log Detail” For Code descriptions.
Displayed Text Code Description
Long Freeze E01 Long Freeze Cycle
Long Harvest E02 Long Harvest Cycle
Power Loss E03 Input Power Loss
Hi cnd Temp or
Wtr Cnd Fault
E04 High Condenser Temperature
HPC Fault E05 High Pressure Control Opened
E06 Spare
Starving TXV E07 Starving TXV Single Evaporator or Low On
Charge
TXV Fault E08 TXV Fault Single or Dual Circuit
Evaporators
Flood Evap1 E09 Flooding Evaporator Fault Single
Evaporator, Single Circuit
Flood Evap2 E10 Flooding Evaporator Fault Dual TXV, Dual
Circuit
Refrig Fault E11 Refrigeration Fault
Curtain Fault E12 Curtain Switch Fault - Open more than
24 hours
E13 Spare
E14 Spare
Low liq temp E15 Fan Cycle Control Fault - Low Liquid Line
Temperature
Rmt Cnd Fault E16 Remote Condensing Unit Fault (CVD Only)
E17 Spare
E18 Spare
ITP Fault E19 Ice Thickness Probe Fault
WTR Fault E20 Water System Fault
T1 Fault E21 T1 Temperature Sensor Issue
T2 Fault E22 T2 Temperature Sensor Issue
T3 Fault E23 T3 Temperature Sensor Issue
T4 Fault E24 T4 Temperature Sensor Issue
Bin Probe Fault E25 Bin Level Probe Low Sensor Fault
AUCS E26 T6 or T7 Temperature Sensor Issue
USB COMM E27 T6 or T7 Temperature Sensor Issue
USB DNLD E28 iAuCS
E29 USB Communication Fault
E30 USB Download Fault
Safe Mode E31 Safe Mode
RS485 COMM E32 RS485 Communication Fault
Keyboard E33 Touchscreen Fault
Display E34 Display Fault