EL
ErrorLib
Brands
||
  1. Home
  2. Mitsubishi Electric
  3. MELSEC iQ-R Motion Controller
  4. 0BD2H
About·Privacy·Terms

ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

0BD2H

Synchronous Encoder Axis Speed Monitor Range Exceeded

Mitsubishi Electric · MELSEC iQ-R Motion Controller

What does 0BD2H mean?

This warning occurs when the speed for a synchronous encoder axis exceeds its defined monitor range. This indicates that the input pulse from the synchronous encoder might be too high or the system's monitoring parameters are too sensitive for the actual operating speed, potentially leading to instability.

Common Causes

  • Synchronous encoder axis speed exceeding the configured monitor range (Refer to Section 4.3.1).
  • Too many decimal places set for the speed in "[Pr.321] Synchronous encoder axis unit setting".
  • Speed time units in "[Pr.321] Synchronous encoder axis unit setting" are not set to "s".

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Use a smaller number of decimal places for the speed setting in "[Pr.321] Synchronous encoder axis unit setting".

  2. 2

    Set the speed time units to "s" in "[Pr.321] Synchronous encoder axis unit setting".

  3. 3

    Monitor the actual synchronous encoder axis speed using "[Md.322] Synchronous encoder axis speed (R: D38564+32n, D38565+32n/Q: D13244+20n, D13245+20n)" to confirm if the speed is indeed exceeding the expected range.

  4. 4

    Review and adjust the monitor range setting for the synchronous encoder axis (Refer to Section 4.3.1) if the operating speed is legitimate for the application.

Browse all codes in this manual (19)
Verified technical data. Last updated: April 2026

Related Faults

19EAHCommand Generation Axis Length Per Cycle Invalid1A31HCommand Generation Axis Positioning Address Out of Range1A4FHMixed Axis Program Simultaneous Start Forbidden
Source: Mitsubishi Electric MELSEC iQ-R Motion Controller
Open Manual (Page 82)Search more codes in this manual