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
Part Number: 000015431 Rev 02 6/20 85
E19 Ice Thickness Probe Fault
The monitored Frequencies is out of the appropriate range
(Probe unplugged or problem with microphone).
E20 Water System Fault
Any of the following:
1. Sensing high water probe and not low water probe.
2. Evaporator outlet temperature is less than -10°F 6.5
to 7.5 minutes in freeze cycle.
3. Low water probe is satisfied at the end of harvest.
4. Low or high water probe is satisfied at end of freeze
cycle.
E21 T1 Temperature Sensor Issue
During Pre-chill the thermistor had an average value
reading outside the valid range.
E22 T2 Temperature Sensor Issue
During Pre-chill the thermistor had an average value
reading outside the valid range.
E23 T3 Temperature Sensor Issue
During Pre-chill the thermistor had an average value
reading outside the valid range.
E24 T4 Temperature Sensor Issue
During Pre-chill the thermistor had an average value
reading outside the valid range.
E25 Bin Level Probe Low Sensor Fault
The thermistor had an average value reading outside of
the valid range for 10 continuous minutes.