1432

MULTI-C.BUS ERR.

Mitsubishi Electric · MELSEC System Q/L Series

What does 1432 mean?

A communication timeout with another CPU is detected in the Multiple CPU high speed bus. This means that a CPU module failed to respond within an expected timeframe during communication on the high-speed bus, indicating a delay or disconnection.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Reset the CPU module and RUN it again. If the same error is displayed again, the CPU module has hardware failure.

Browse all codes in this manual (53)
Verified technical data. Last updated: March 2026

Related Faults

Source: Mitsubishi Electric MELSEC System Q/L Series