How to solve Bkbd com err in UNITY LAUNDRY SYSTEMS Laundry Appliance?
- RRonald BarkerSep 2, 2025
If your UNITY LAUNDRY SYSTEMS Laundry Appliance shows Bkbd com err, check the electrical connection and ground.

How to solve Bkbd com err in UNITY LAUNDRY SYSTEMS Laundry Appliance?
If your UNITY LAUNDRY SYSTEMS Laundry Appliance shows Bkbd com err, check the electrical connection and ground.
How to fix Inv com err on UNITY LAUNDRY SYSTEMS Laundry Appliance?
If your UNITY LAUNDRY SYSTEMS Laundry Appliance shows Inv com err, check the electrical connection and ground.
How to clear lint of inverter in UNITY LAUNDRY SYSTEMS UTS40 Laundry Appliance?
To address the 'Clear lint of invt' message on your UNITY LAUNDRY SYSTEMS Laundry Appliance, clean the lint inside the machine and check the inverter fan.
What to do for high temperature of inverter in UNITY LAUNDRY SYSTEMS UTS40?
If your UNITY LAUNDRY SYSTEMS Laundry Appliance shows a high temperature for the inverter, clean the lint inside the machine and check the inverter fan.
How to troubleshoot overtime of drain in UNITY LAUNDRY SYSTEMS UTS40 Laundry Appliance?
If your UNITY LAUNDRY SYSTEMS Laundry Appliance shows overtime of drain, check the drain valve.
What to do if UNITY LAUNDRY SYSTEMS UTS40 shows overtime of fill?
If your UNITY LAUNDRY SYSTEMS Laundry Appliance is experiencing overtime of fill, check the fill valve and the level sensor.
How to fix DoorStat Error on UNITY LAUNDRY SYSTEMS Laundry Appliance?
If you encounter a DoorStat Error on your UNITY LAUNDRY SYSTEMS Laundry Appliance, check the door switch or door pin.
| Brand | UNITY LAUNDRY SYSTEMS |
|---|---|
| Model | UTS40 |
| Category | Laundry Appliance |
| Language | English |
Explains DANGER, WARNING, CAUTION, IMPORTANT, NOTE statements for user safety.
Lists critical precautions for safe operation and installation of the machine.
Identifies and explains the various safety decals found on the machine.
Provides guidelines for safe operation, pre-operation checks, and conditions to avoid.
Details responsibilities for installing and using emergency stop devices.
Procedure for inspecting the machine upon delivery for shipping damage.
Identifies the location of the serial plate for warranty and service purposes.
Lists all accessories provided with the washing machine.
Provides contact information for technical assistance and replacement parts.
Technical specifications for the UTS40 model, including motor, capacity, and dimensions.
Detailed diagrams showing the physical dimensions of the UTS40 model.
Technical specifications for the UTS62 model, including motor, capacity, and dimensions.
Detailed diagrams showing the physical dimensions of the UTS62 model.
Specifies minimum clearances for proper operation and maintenance access.
Guidelines for placing the machine on a level, strong, and stable floor.
Procedure and requirements for connecting the water supply to the machine.
Instructions for setting up drain systems, including trough and direct methods.
Safety warnings and procedures for connecting electrical power.
Details on electrical connection types and grounding requirements.
Information on connecting chemical and liquid supplies.
Instructions for safely removing shipping brackets before operation.
Explanation of the controller for self-service vended market operation.
Explanation of the controller for on-premise market operation.
Describes the initial display shown when the machine is powered on.
Displays the interface when the machine is not in use.
Details on starting and monitoring the automatic wash cycle.
How to access and view the machine's cycle count and statistics.
Procedure for viewing and clearing recorded cycle data.
Instructions for changing the user password to access setup menus.
Guide to setting prices for different wash programs.
Detailed steps for setting standard or specific prices.
Steps to enter the programming mode to edit wash cycles.
How to select, add, or delete steps within a wash program.
Instructions for saving modified wash programs.
Lists common alarm codes and their troubleshooting steps.
Describes specific alarms related to the Variable Frequency Drive.
How to access and view the log of recent alarms.
How to find and use the USB port for data transfer.
Uploading machine parameters from a USB drive.
Uploading wash programs from a USB drive.
Downloading machine parameters to a USB drive.
Downloading wash programs to a USB drive.
Procedure for updating the main relay PCB software via USB.
Uploading VFD parameters from USB.
Downloading VFD parameters to USB.
Common issues and solutions during USB operations.
Defines the acceptable coin size range for the mechanism.
Provides diagrams with measurements of the coin mechanism.
Explains the function of switches, buttons, and connectors.
Details on setting teaching mode, price, coin value, and tolerance.
Step-by-step guide to configure coin acceptance for a specific value.
Instructions for modifying the price for wash programs.
Steps to adjust the accepted coin value for channels.
How to adjust coin acceptance tolerance for accuracy.
Procedure to remove pre-configured settings from channels.
Explains the relationship between coin settings and pulse output.
Common problems with the coin mechanism and their solutions.
Recommended cleaning frequency and procedures for the coin acceptor.
Daily checks and cleaning tasks to ensure proper operation.
Weekly checks for leaks, lint, and connections.
Monthly checks for belt tightness and alignment.
Quarterly checks for hinges, bolts, bearings, and shock absorbers.
Explanation of the system that prevents operation during imbalance.
Information on VFD parameters and error viewing.
Causes and solutions when the machine fails to start.
Troubleshooting steps for slow drum rotation.
Reasons for too much water and how to resolve them.
Solutions for vibration issues during the extraction phase.
Causes and fixes for leaks from the machine door.
Troubleshooting steps for excessive water levels in the drum.
Diagnosing issues when the machine does not fill with water.
Identifying and fixing water leaks from hoses or connections.
Troubleshooting steps when the desired water temperature is not reached.
Reasons why the chemical dispenser may not be flushing correctly.