What to do if OHAUS AP310 Scales show system errors?
- JJeffrey CohenAug 20, 2025
Turn the power off, then turn it back on. If the error persists, have the balance serviced.
What to do if OHAUS AP310 Scales show system errors?
Turn the power off, then turn it back on. If the error persists, have the balance serviced.
What to do if OHAUS Scales show error 8.3, hardware error caused by an internal weight signal which is too high?
Check the load on the platform which may be excessive. If the error persists, the balance must be serviced.
What does error 4.4 mean on OHAUS AP310 Scales?
Error 4.4, RS232 buffer is full, may occur if no printer or computer is connected to the interface. To clear the buffer, turn the balance off or enter the Print menu and select END.
What to do if OHAUS AP310 show error 8.2, internal power on error?
Turn the power off, then turn it back on.
How to fix OHAUS AP310 that will not turn on?
If your OHAUS Scales are not turning on, the power cord may not be plugged in or properly connected to the balance. Check the power cord connections to ensure they are secure.
How to store menu settings on OHAUS AP310?
To save menu settings, you MUST use End to exit menus.
What does error 9.7 mean on OHAUS Scales?
Error 9.7, Invalid setup data checksum. Check Setup, User, and Print menus settings. If possible, try to enter menus and exit using END to restore menu settings. It may be caused by a faulty component, or in rare cases, a severe static charge. If the error persists, the balance must be serviced.
What does error 2.0 mean on OHAUS AP310 Scales?
Error 2.0, Illegal tare operation or balance is unable to stabilize within time limit after taring, may happen because the environment is too hostile or the balance needs recalibration. Recalibrate the balance.
What does error 3.0 mean on OHAUS AP310 Scales?
Error 3.0, Incorrect or no calibration weight used for User calibration. Recalibrate with correct weights.
What does error 5.0 mean on OHAUS Scales?
Error 5.0, Auto calibration failed, may happen because the environment is too hostile. Recalibrate the balance.
Details the method for accessing and moving through the balance's Calibration, User, Setup, and Print menus.
Instructions for performing standard weighing and taring operations, including using the stability indicator.
Details how to use the Percent Weighing function, enabling loads to be viewed as a percentage of a reference.
Guide to using the Parts Counting mode, which determines quantity based on average part weight.
Instructions for setting up and performing check weighing, indicating under, accept, or over limits.
Explains the Animal Weighing mode designed to minimize fluctuations from live animal movement.
Describes the Fill Guide bar graph and how to use it to set target values for filling operations.
Details the High Point feature which stores the lowest and highest sample weights from a series.
Details the submenus within the Calibration menu: Auto, User, Test, and End.
Details the submenus within the User menu: Reset, AL, Stability, Auto Zero, Dual, and End.
Provides an overview of the Setup menu and its extensive submenus for customization.
Outlines the options available in the Print menu: Reset, Communication, GLP, Print Options, and List.
Explains how to lock menus to prevent unauthorized changes, displaying 'SAFE' when locked.
Step-by-step guide for performing automatic calibration using internal calibrated masses.
Instructions for calibrating the balance using an external mass of known value.
Explains how to perform a calibration test and exit the calibration menus.
Creating and using custom weighing units by entering conversion factors and exponents.
Setting acceptable error levels for parts counting to ensure accuracy.
Setting reference weights and display types (normal, none, sign) for check weighing.
Overview of Print menu options including Reset, Communication, GLP, and Print Options.
Enabling and configuring the Auto Print feature for continuous, interval, or stability-based output.
Lists common symptoms, probable causes, and remedies for balance operational problems.
Describes various error codes that may appear on the display and suggests remedies.
Details system errors (5.1-5.9) and checksum errors (9.7) with troubleshooting steps.
Details the method for accessing and moving through the balance's Calibration, User, Setup, and Print menus.
Instructions for performing standard weighing and taring operations, including using the stability indicator.
Details how to use the Percent Weighing function, enabling loads to be viewed as a percentage of a reference.
Guide to using the Parts Counting mode, which determines quantity based on average part weight.
Instructions for setting up and performing check weighing, indicating under, accept, or over limits.
Explains the Animal Weighing mode designed to minimize fluctuations from live animal movement.
Describes the Fill Guide bar graph and how to use it to set target values for filling operations.
Details the High Point feature which stores the lowest and highest sample weights from a series.
Details the submenus within the Calibration menu: Auto, User, Test, and End.
Details the submenus within the User menu: Reset, AL, Stability, Auto Zero, Dual, and End.
Provides an overview of the Setup menu and its extensive submenus for customization.
Outlines the options available in the Print menu: Reset, Communication, GLP, Print Options, and List.
Explains how to lock menus to prevent unauthorized changes, displaying 'SAFE' when locked.
Step-by-step guide for performing automatic calibration using internal calibrated masses.
Instructions for calibrating the balance using an external mass of known value.
Explains how to perform a calibration test and exit the calibration menus.
Creating and using custom weighing units by entering conversion factors and exponents.
Setting acceptable error levels for parts counting to ensure accuracy.
Setting reference weights and display types (normal, none, sign) for check weighing.
Overview of Print menu options including Reset, Communication, GLP, and Print Options.
Enabling and configuring the Auto Print feature for continuous, interval, or stability-based output.
Lists common symptoms, probable causes, and remedies for balance operational problems.
Describes various error codes that may appear on the display and suggests remedies.
Details system errors (5.1-5.9) and checksum errors (9.7) with troubleshooting steps.











