Important Notification to customers that are using Pro-face Remote HMI

Posted: Jun. 17, 2015
Thank you very much for your continuous use of Pro-face products.
We have confirmed the following symptoms on Pro-face Remote HMI.
The symptom and corrective measures for this problem are indicated below.
We sincerely apologize for any inconvenience this may cause you.

Symptom descriptions

When the wireless network is disconnected between Pro-face Remote HMI and a GP unit during the operation of a momentary switch, the momentary switch sometimes holds an ON status on a GP unit.

Applicable combination of products

Screen Editor [GP-Pro EX]:
Product Model PFXEXEDV40
Target Version GP-Pro EX Ver. 4.02.000 to Ver. 4.03.200
How to confirm the version [Help(H)] → [Version Information(A)]


When using a momentary switch under the unstable environment for wireless network, the momentary switch sometimes malfunctions. Hence, it is recommended to use an ON/OFF switch instead of the momentary switch.

Update module of GP-Pro EX will be released as a next version.


If you have any inquiries, please contact our sales office in your region.
For contact information, please refer to the "Inquiry" page.