Kohler APM402, Operation

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2.7.1 Error Messages
Certain entries or attempted entries may cause the controller to display an error message. Some of the error messages shown
here are also shown as part of the section titled: System Fault Warning Lamp with Digital Displays and the section titled: System
Fault Shutdown Lamp with Digital Displays.
Cannot Calibrate appears when attempting to calibrate the voltage and current values in the GenSet Calibration menu with the
unit stopped. The unit must be running in order to make adjustments.
Cannot Edit When Stopped appears in the Voltage Regulator menu when attempting to change the VR Volt Adj value when
the unit is not running.
Default Parameters Loaded. The fault lamp illuminates yellow and the alarm horn sounds when the controller detects that the
default parameter settings were loaded using SiteTech™ software. The local display shows
Default Pars Warning .
ECM Address Conflict. The fault lamp illuminates red, the alarm horn sounds, and the unit shuts down when the controller
detects an error with the ECM address. The local display shows ECMAddr Err Shutdwn .
ECM Model Mismatch. The fault lamp illuminates red, the alarm horn sounds, and the unit shuts down when the controller
detects an error with the ECM model. The local display shows ECM Mismatch Shutdwn .
File System Error. The fault lamp illuminates red, the alarm horn sounds, and the unit shuts down when the internal controller
diagnostics detect a firmware file error. The local display shows File Error Shutdwn .
Max Alternator Current Low. The current value listed in the maximum alternator current personality parameter is too low
compared to the kW setting within the personality.