Stihl Power Tools

The battery is outside its optimal operating temperature range, either too hot or too cold. Continued use in these conditions can damage the battery.

The battery has detected a temperature outside its safe operating range. This can happen if the battery is stored in extreme heat or cold, or if it has just been used heavily or charged in a very cold environment.

This indicates an internal electronic problem within the tool. The unit will need to be opened for inspection and repair.

This signal from the battery indicates a problem detected within the power tool itself. It suggests an electronic issue or a fault that is preventing normal operation.

The tool itself has become too warm during operation. This is a safety feature to prevent overheating and potential damage.

The power tool has overheated due to prolonged or heavy use. The tool's internal system is preventing operation to avoid damage.

This indicates a problem within the tool itself, not necessarily the battery or charger. Troubleshooting is required to identify the specific component at fault.

The battery has an internal issue and needs to be replaced. This may be due to age, damage, or a manufacturing defect.

This indicates a general issue or fault within the battery pack itself. The battery's internal electronics may have detected an error that prevents it from operating.

When the trigger is gently squeezed, an audible click should be heard if the switch is working correctly. If no click is heard, the switch might be damaged.

The battery's rated capacity is insufficient for the demands of the cordless machine. This can lead to poor performance or the inability to operate.

The battery being used is not suitable for the machine, typically because its rated capacity is too low. This will prevent proper operation.

This error message indicates a problem with the tool's electronic module. This could be a hardware defect, an internal electronic fault, or an issue with temperature measurement or calibration.

This error indicates that the tool is encountering too much resistance while in use. This could be due to the material being cut or the tool itself. The electronics are designed to stop the tool to prevent damage.

The battery being used has a rated capacity that is too low for the cordless machine. This can prevent the tool from operating correctly or at full power.

The machine is attempting to rotate in the wrong direction. This is typically an electrical connection issue.

This error message indicates that a switch within the tool is not being detected by the electronics, or the electronics are not functioning properly. This could be a wiring issue or a faulty switch.

The control electronics are not correctly detecting the power levels or are otherwise malfunctioning. The display of power levels may also be defective.

These damage codes specifically point to a defect within the chain brake system. This could involve the lever, band, spring, or associated mechanisms.

This damage code also indicates a defect in the chain brake system. Similar to F30-F34, it requires inspection and potential repair or replacement of chain brake components.

This indicates an internal problem with the battery itself. The battery may need to be replaced, especially if it is out of warranty.

This code group indicates a problem related to the mechanical operation of the tool, specifically the chain brake or the force required by the motor.

This error message indicates a problem with the motor's electrical lead or the motor itself. Issues can include disconnection, short circuits, or abnormal resistance.

This indicates a problem with the sensor signal from the motor, potentially affecting speed detection or position sensing. This could be due to a faulty sensor or lead.

The LED lights on the battery or tool are not functioning. This could be an issue with the battery itself, the charger, or the tool's power system.

There are no lights indicating battery status or tool function. This suggests a potential issue with the power supply to the tool or the electric motor itself.

When the trigger is squeezed and there are no lights on the battery, it suggests there is no power being received or a connection problem. The tool will not start.

This error indicates a problem with signals from sensors within the tool, specifically related to motor temperature or motor position detection.

A short circuit has been detected, likely within the cordless machine's electronics or wiring. This can cause damage if not addressed.

The tool's electronics cannot detect the status of a specific switch, such as the trigger, potentiometer, chain brake, or main switch. This prevents the tool from operating.

When the trigger is squeezed, three flashing red LEDs on the battery indicate an internal electronic problem with the tool or the battery system. The unit will not operate.

This indicates an internal electronic problem with the MSA 120 C tool. The unit should be opened for inspection.

This signals an internal electronic problem within the HSA 56 tool. The unit needs to be opened for inspection by a qualified technician.

This error points to a problem with the tool's main wiring harness. This could be a faulty connection or excessively high electrical resistance within the harness.

This error signifies a problem with the wiring harness connection to a switch or an issue with the switch itself, leading to the electronics not functioning correctly or not detecting the switch.