Service Manual
Table Of Contents
- Safety Notices
- Definitions
- General Information
- Installation
- Stacking Two Ice Machines on a Single Storage Bin
- Location of Ice Machine
- Clearance Requirements
- Dual Evaporator Model Installation on a Manitowoc Bin
- Ice Machine on a Dispenser Installation
- Water Supply and Drains
- Lineset Applications
- QuietQube® Remote Condensing Unit
- Additional Refrigerant Charge For 51' to 100' Line Sets
- Maintenance
- Operation
- Menu Navigation
- Component Check Procedures
- Control Board, Display And Touchscreen
- Operating an ice machine without a 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
- Low Pressure Cutout (LPCO) Control
- Compressor Time Delay
- Fan Cycle Control
- Harvest Assist Air Pump
- Compressor Electrical Diagnostics
- Diagnosing Start Components
- Refrigeration Components
- Recovery/Evacuation/Charging Procedures QuietQube® Models
- System Contamination Clean-Up
- Total System Refrigerant Charge QuietQube® CVD Models
- Control Board, Display And Touchscreen
- Charts
- Diagrams
86 Part Number: 000015431 Rev 02 6/20
E26 T6 or T7 Temperature Issue
The thermistor had an average value reading outside of
the valid range.
E27 T6 or T7 Temperature Issue
The thermistor had an average value reading outside of
the valid range.
E28 AuCS
When the AUCS clean option is selected from the menu,
the control checks for the presence of the AUCS board.
When the AUCS is not connected it will signal an Event
which will clear as soon as the hardware is detected.
E29 USB Communication Fault
USB Communication error; No USB drive in port or
defective USB drive.
E30 USB Download Fault
USB Download error related to USB drive or a defective
USB drive.
E31 Safe Mode
Safe mode allows the ice machine to operate for a period
of time in the event of a Water level or ice thickness probe
failure. The controller allows the machine to operate based
on model data and historical cycle information.
E32 RS485 Communication Fault
The device plugged into the RS485 port is not
communicating between the control board and gateway.
E33 Touchscreen Fault
The Touchscreen is not plugged into the control board or
is faulty.
E34 Display Fault
The touchscreen is not plugged into the control board or
is faulty.