Troubleshooting; Introduction; Fault Messages; Circuit Protection - Kohler 6VSG Operation Manual

5.1

Introduction

Use the troubleshooting charts in this section to diagnose and correct common problems. First check for simple causes such as
a dead engine starting battery, loose connections, or an open circuit breaker. The charts include a list of common problems,
possible causes of the problem, and recommended corrective actions.
If the procedures in this manual do not explain how to correct the problem, contact an authorized Kohler distributor/dealer.
Maintain a record of repairs and adjustments performed on the equipment. Use the record to help describe the problem and
repairs or adjustments made to equipment.
5.2

Fault Messages

The VSC controller displays fault messages to aid in troubleshooting. Selected fault messages and recommended checks are
listed in the figure titled: Controller Fault Messages.
Identify and correct the cause of the fault condition. Then reset the controller after a fault shutdown. See the Resetting the
Controller After a Fault Shutdown section.
5.3

Circuit Protection

If the generator set circuit breaker trips repeatedly, contact an authorized Kohler distributor/dealer for service.
5.3.1

Controller Internal Circuit Protection

The controller is equipped with internal circuit protection. A fault message, Accy PwrOver Warning or MainPwrOverL Shutdown,
is displayed if this internal protection is activated. Press OFF to reset. Contact an authorized Kohler distributor/dealer fo r service.
5.3.2

Line Circuit Breaker

The line circuit breaker interrupts the generator output in the event of a fault in the wiring between the generator and the load. If
the circuit breaker trips, reduce the load and switch the breaker back to the ON position.
5.4

Controller USB Port

A USB port is located on the front panel of the controller. See Figure 46. Some controller settings can be adjusted using a laptop
computer with Kohler SiteTech
TP-6701, SiteTech Software Operation Manual, for more information.
Figure 46 Controller USB Port
TP-6843 12/21
TM
software. Use a USB cable with a mini-B connector to connect the controller to your PC. See
Section 5. Troubleshooting
KPS_031A
GM89864
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