Instructions / Assembly

TP-6928 1/1440 Section 3 Troubleshooting
3.6 Troubleshooting Chart
Figure 3-5 lists some common problems and suggested solutions.
Problem Possible Cause Suggested Solution
Connection problem
(Also refer to the
troubleshooting procedure in
Section 3.5.)
Internet service is down Verify that Internet service is available by navigating to
www.KOHLERPower.com or any website.
No power to controller Verify power to the generator set controller by checking that
the controller display is on or one LED is illuminated or
flashing on the controller. Check the connection to the
generator set’s engine starting battery.
RDC/DC controller. Check the condition of the controller’s
F3 fuse, and replace the fuse if necessary.
No connection to the server RDC2/DC2/VSC controller. Test server connection using
telnet. See Section 3.2.2.
RDC/DC controller. Check that the server connection
indicating LED on the controller is lit. See Sections 3.2 and
3.5.
Cable or modem/router
problem
Note: RDC2/DC2/VSC controller. Disconnect the utility
power to the generator set before disconnecting the
Ethernet cable. Follow the safety precautions in this
document and in the generator set service manual.
Note: RDC/DC controller. Remove the controller’s F3 fuse
and disconnect power to the generator set before
disconnecting the Ethernet cable. Follow the safety
precautions in this document and in the generator set
service manual. See TT-1566, Ethernet Board
Installation Instructions, for connection details.
Isolate the problem by disconnecting the Ethernet cable from
the generator controller and plugging it into a laptop PC.
Disable wireless on the laptop. Check Internet access by
trying to connect to www.KOHLERPower.com or any website.
D If no connection, try to connect the laptop PC to the
modem/router using a different cable.
D If there is no connection with either cable, the problem may
be with the modem/router. Contact your Internet Server
Provider for assistance.
Long network cables may
cause excessive signal loss
If the network cable is longer than 100 meters (328 ft.), install
a repeater or switch.
Password error Reset the password at the controller , if necessary, and enter
the new password in OnCue Plus. See Section 2.5.
Generator set serial number
mismatch
See Section 3.3.
Firewall blocking access On the generator set side, configure the router firewall to
open port 5253 to permit an outbound connection.
Contact your system administrator or Internet service
provider for assistance, if necessary.
Other Contact your Internet Server Provider for assistance.
Figure 3-5 Troubleshooting