What to do if my Kohler Inverter battery is weak?
- OorozcothomasAug 8, 2025
If the battery of your Kohler Inverter is weak or dead, recharge or replace it.

What to do if my Kohler Inverter battery is weak?
If the battery of your Kohler Inverter is weak or dead, recharge or replace it.
What to do if my Kohler 50EOZ/40EFOZ Inverter has an engine overload?
If your Kohler Inverter experiences an engine overload, the suggested solution is to reduce the electrical load.
What to do if the controller switch is inoperative in Kohler 50EOZ/40EFOZ Inverter?
If the controller master or start/stop switch on your Kohler Inverter is inoperative, replace the controller master or start/stop switch.
Precautions to prevent accidental generator set starting.
Safety precautions related to battery handling and acid.
Hazards associated with battery gases and explosion prevention.
Hazards of battery short circuits and prevention measures.
Hazards related to engine backfire and flash fires.
Safety precautions regarding exhaust systems and carbon monoxide.
Safety precautions for handling fuels and preventing explosions.
Precautions regarding hazardous noise levels and hearing protection.
Warnings about hazardous voltage and electrical shock hazards.
Warnings about hot parts like coolant, steam, engine, and exhaust systems.
Hazards associated with moving parts and protective measures.
Lists essential checks before or at each generator set startup.
Details the operation of the Decision-Maker 3+ controller.
Describes the controls and indicators on the Decision-Maker 3+ controller.
Procedures for starting the generator set locally or automatically.
Procedures for normal stopping and emergency stopping of the generator set.
Lists fault conditions that cause automatic generator set shutdown.
Procedure to restart the generator set after a fault shutdown.
Procedure to reset the emergency stop switch after shutdown.
Overview of the expanded Decision-Maker 1 controller.
Describes controls and indicators for the expanded Decision-Maker 1 controller.
Procedures for starting the expanded Decision-Maker 1 generator set.
Procedures for stopping the expanded Decision-Maker 1 generator set.
Lists fault conditions causing shutdown for the expanded controller.
Procedure to restart after a fault shutdown for the expanded controller.
Overview of the standard Decision-Maker 1 controller.
Describes controls and indicators for the standard Decision-Maker 1 controller.
Procedures for starting the standard Decision-Maker 1 generator set.
Procedures for stopping the standard Decision-Maker 1 generator set.
Lists fault conditions causing shutdown for the standard controller.
Procedure to restart after a fault shutdown for the standard controller.
Table listing common trouble symptoms, probable causes, and recommended actions.
Overview of the Decision-Maker 3+ controller and its components.
Identifies terminals and connectors on the Decision-Maker 3+ circuit board.
Lists fault conditions and indicators for the Decision-Maker 3+ controller.
Describes the functions of various controller relays.
Describes the K1 relay and its function with the starter solenoid.
General troubleshooting charts for individual problems.
Flowchart for troubleshooting when the engine does not crank.
Flowchart for troubleshooting when the engine cranks but does not start.
Covers operation sequence and component identification for Decision-Maker 1 controllers.
Flowchart for troubleshooting the relay controller starting sequence.