42-02-2M01 A1 5-1
In This Section
This section contains troubleshooting information to help you correct problems. If you are
reading this on a computer, you can click on blue text to jump to more information about the
topic.
• Status and Error Messages: Table includes a description and troubleshooting tips for each
message. Please refer to “Status and Error Messages” on page 5-2.
• Status Indicators: HC-MPU status LEDs indicate the state of the safety circuit, door locks,
and mode of operation. Please refer to “HC-MPU and HC-MPU-2 Main Processor Boards”
on page 5-51.
• Diagnostic and External Memory Modes: Useful tools to isolate and diagnose problems.
Please refer to “Diagnostic Mode” on page 4-6 and to F5 diagnostic information on page 4-
65.
• PC Board Quick References: Circuit board information and photographs. Please refer to
“PC Board Quick References” on page 5-39.
• Position and Speed Information: Please refer to “MPI-C Diagnostics” on page 4-84.
• Brake Module Information: If the job uses the mBrake module for machine or emergency
brake control, see “Motion Brake Module” on page 5-86.
• Wiring Prints: MCE job prints are technical drawings specifically generated for each
installation. Use these drawings while tracing problems.
Troubleshooting