User's Manual

TRAIN CHIEF® II LRCS w/Lightweight OCU OWNER’S MANUAL
95-00-0-xxx Rev 000 7-1 Control Chief Corporation
7 TROUBLESHOOTING
Lightweight OCU Troubleshooting
General
The following troubleshooting procedure is provided to assist in the identification of specific
problems and/or abnormal operation. Control Chief recommends that you contact us before
attempting any field repairs.
Power-On-Self-Test
If errors are detected during POST (Power-On-Self-Test) the display will show an error
message and further operation will be inhibited. POST Error Message example: “POST, ERR
#123”. If your unit reports a POST error message please note the message number, cycle
power on the unit and begin operations again. If the POST error persists call Product Support
(contact information contained in Chapter 8 of this manual) to report the error and obtain
additional details. Useful information to expedite the error resolution would be the system
number and the information on the back label of the OCU (part #, serial #, railroad reporting
mark ID).
Fig 7-1: Power-On-Self-Test
OCU Beeps When a Switch is Pressed
This typically occurs on a power-up cycle and the switches have not been returned to their start-
up positions: E-Stop pulled out, direction to NEUTRAL, OCU not tilted, throttle at HALT,
independent brake at FULL, and push buttons released (not jammed).
OCU ERROR Indications
If the 2-line LED display indicates “ERROR” then use this section to determine the next course
of action. If there is a communication problem please refer to the Communication
Troubleshooting section, page 7-9.
When an ERROR condition occurs the OCU will send an immediate emergency locomotive stop
command. The unit will remain in this condition until power is removed and the problem
corrected.