EL
ErrorLib
Brands
||
  1. Home
  2. Mitsubishi Electric
  3. MELSEC Q-series MELSECNET/H
  4. F703
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.

F703

Send Destination Group Number Error

Mitsubishi Electric · MELSEC Q-series MELSECNET/H

What does F703 mean?

The specified send destination group number is out of the valid range or a group number 33 or higher (control data A1H) was specified. This is a configuration error preventing group-based communication.

Common Causes

  • Send destination group number is outside the permissible range
  • Group number 33 or higher (control data A1H) was specified

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Review and correct the send destination group number to be within the valid range (e.g., typically 1 to 32, as 33 or higher is explicitly incorrect)

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

F105Initial Status with Baton/Data Link IssueF106Control/Sub-control Station Shift StatusF107Baton Pass Error (Baton Lost)
Source: Mitsubishi Electric MELSEC Q-series MELSECNET/H
Open Manual (Page 165)Search more codes in this manual