Pro-face RHAA092: COM1 Failed to update Multilink communication information

Pro-face HMI Major Communication

Model: GP4000/SP5000 Series | Code: RHAA092

Applicable Systems
GP4000 Series

Symptoms

  • GP-Pro EX display unit shows error RHAA092: COM1 Failed to update Multilink communication information.

Possible Causes

  • Failed to update the Multilink communication information.

Troubleshooting Steps

  1. Step 1: Verify Multilink communication information and communication settings.
    Communication restored and error cleared

How to Reset

Repower or reset the display unit after correcting the root cause.

Related Pro-face Fault Codes

Source: Pro-face GP-Pro EX Maintenance/Troubleshooting Manual, T.7.1 Common Display errors (proface.tech/otasuke official)

Category: HMI