Continue
Help
  • Explore Community
  • Get Started
  • Ask the Community
  • How-To & Best Practices
  • Contact Support
Notifications
Login / Register
Schneider Electric
Community
Community
Notifications
close
  • Categories
  • My Subscriptions
  • Forums
  • Knowledge Center
  • Blogs
  • Ideas
  • Events
Help
Help
  • Explore Community
  • Get Started
  • Ask the Community
  • How-To & Best Practices
  • Contact Support
Login / Register

Contact Support

Close

Ask our Experts

Have a question related to our products, solutions or services? Get quick support on community Forums

Email Us

For Community platform-related support, please email us

New Community Ranking System
Our Community ranking system has recently been updated. You may notice changes in user rankings and receive system messages or notifications. If you have questions about how the new ranking works, please refer to the announcement post for more details (click here).

HVAC and Pumping Forum

Support Forum for HVAC and pumping machines, Modicon M17x and EcoStruxure Machine Expert HVAC software for chillers, AHU, CRAC units for datacenters or process chillers applications - from design, implementation to troubleshooting and more, by Schneider Electric.

Search in

Improve your search experience:

  • Exact phrase → Use quotes " " (e.g., "error 404")
  • Wildcard → Use * for partial words (e.g., build*, *tion)
  • AND / OR → Combine keywords (e.g., login AND error, login OR sign‑in)
  • Keep it short → Use 2–3 relevant words , not full sentences
  • Filters → Narrow results by section (Knowledge Base, Users, Products)
cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Show  only  | Search instead for 
Did you mean: 
  • Home
  • Schneider Electric Community
  • Industrial Automation
  • HVAC and Pumping Forum
Options
  • Mark all as New
  • Mark all as Read
  • Float this item to the top
  • Subscribe
  • Bookmark
  • Invite a Friend
  • Threaded format
  • Linear Format
  • Sort by Topic Start Date
Invite a Co-worker
Send a co-worker an invite to the portal.Just enter their email address and we'll connect them to register. After joining, they will belong to the same company.
You have entered an invalid email address. Please re-enter the email address.
This co-worker has already been invited to the Exchange portal. Please invite another co-worker.
Please enter email address
Send Invite Cancel
Invitation Sent
Your invitation was sent.Thanks for sharing Exchange with your co-worker.
Send New Invite Close
Top Labels
Top Labels
  • Alphabetical
  • HVAC 259
  • Connectivity 51
  • Modicon M2xx 41
  • Digital 17
  • Lexium 12
  • Material Handling 11
  • Efficiency 9
  • PacDrive 8
  • Safety 7
  • Pumping 7
  • Robotics 5
  • Material Working 4
  • Packaging 2
  • EcoStruxure Automation Expert 1
  • IP Controllers 1
  • eCommissioning Tool 1
  • Training 1
  • Low Voltage AC Drives 1
  • Hoisting 1
  • Previous
  • 1 of 2
  • Next
Top Experts
User Count
FedericoM
FedericoM Mentor
119
Bastian_Schmitz
Bastian_Schmitz Champion
64
M_Cervati
M_Cervati Troubleshooter
18
View All
Related Products
Thumbnail of EcoStruxure™ Machine Expert - HVAC
Schneider Electric
EcoStruxure™ Machine Expert - HVAC
127
Thumbnail of EcoStruxure™ Machine Expert - HVAC
Schneider Electric
EcoStruxure™ Machine Expert - HVAC
54
Thumbnail of EcoStruxure™ Machine Expert
Schneider Electric
EcoStruxure™ Machine Expert
12
Load more

Invite a Colleague

Found this content useful? Share it with a Colleague!

Invite a Colleague Invite
Announcements & Events

HVAC & Pumping Forum: Formerly known as Machine Automation Forum, this community has been re-launched to provide a more focused platform for professionals in the HVAC and Pumping industry. Join us to enhance your knowledge, share insights, and ask questions with the HVAC & Pumping community.



Need support for Machine Automation solutions?
Ask your questions and get expert answers in the Machine and Motion Control Forum.This is now your space for exchanging information about Machine & Motion Control solutions and products. Share your questions, ideas, or examples with the community!



Need support for Variable Speed Drives?
Ask your questions and get expert answers in the Solutions for Motor Management Forum.

HVAC and Pumping Forum

Start a Topic
  • All
  • Solved
  • Unsolved
  • Unanswered
BZ
BZ Explorer

Virtual Training Calendar for Machine Automation

Hello everyone, We would like to highlight that there are some available seats for Virtual Classes in Q4 of Y2026 in our Machine Automation training team as below, come and join us!!! EcoStruxure ...
Industrial Automation icon_circle HVAC and Pumping Forum
1640 2 0

2024-01-25

Solved
kryunl
kryunl

M172 plc system bit

I need to activate the bit when the power is cut off and comes back on in the M172 plc. Is there such a system bit in the M172 plc? I would be very happy if you could help.
Industrial Automation icon_circle HVAC and Pumping Forum
799 0 1
Latest Reply: ismailozinan

Solved
otrotabi
otrotabi

Fan management - variable speed and fixed speed fans

When using compressor racks with both variable speed and fixed speed compressors - which is the most used scenario- the CompMgmtVS FB has the built in logic to handle this setup. A similar setup is ...
Industrial Automation icon_circle HVAC and Pumping Forum
890 0 1
Latest Reply: FedericoM

Solved
cloud_74
cloud_74

M172 - Logger and String Libraries

Hi, Does anyone know where I can get a copy of the String and Logger libraries for EcoStuxure HVAC?
Industrial Automation icon_circle HVAC and Pumping Forum
3175 1 5
Latest Reply: RichardGiesbrecht

Solved
Fanar_Ref
Fanar_Ref

M172 with HMIET6400x

Hello!I have a M172P 42I/O controller along with HMIET6400x. I want to simulate both plc and hmi to check data flow since I have no access to controller and HMI. The PLC when simulated runs TCPIP in lo...
Industrial Automation icon_circle HVAC and Pumping Forum
1142 0 3
Latest Reply: Fanar_Ref

Solved
devinsynthesissolutions
devinsynthesissolutions

ERROR generating IEC code for HMI

I started a project with a M172 PLC and a M172DCL Display using Modbus. I don't have the hardware yet but I have the project almost built. I keep receiving the below error when attempting to compile. I...
Industrial Automation icon_circle HVAC and Pumping Forum
1123 0 2
Latest Reply: devinsynthesissolutions

Solved
Conair_Ian
Conair_Ian

Profibus to M172

I am wondering if anyone can point me in the correct direction here in regards to an upcoming project. I will have 3 Sabroe refrigeration compressor controllers (Unisab 2) that communicate together on ...
Industrial Automation icon_circle HVAC and Pumping Forum
1826 0 3
Latest Reply: FedericoM

Informational
FedericoM
FedericoM Mentor

Annoucement : Forum is relaunching with a new name

Dear Community Members, We are excited to announce that the Forum is relaunching with a new name: HVAC & Pumping Forum. This change reflects our commitment to better serve your needs and provide ...
Industrial Automation icon_circle HVAC and Pumping Forum
758 3 0

2025-03-28

Solved
dawiddb9
dawiddb9

M172 - Password to settings on embedded display

Hello, I would like to make some settings pages on M172 embedded display to which user gain acces after entering correct password and after 5 minutes of idle state it would log off/go to main page. I...
Industrial Automation icon_circle HVAC and Pumping Forum
2957 0 5
Latest Reply: neonguyen

Solved
StevenCho
StevenCho

M172 Communication module option

Hi all, Is there no option to add Modbus master on M172? When I add RS485 Plug-in and set it to master, the following error is occured. "ERROR: (BuildCfg_RS485) Too many Modbus RTU masters: only ...
Industrial Automation icon_circle HVAC and Pumping Forum
1626 0 3
Latest Reply: StevenCho

Solved
pawel_kowalski_
pawel_kowalski_

PLC M2XX and HMI with BACnet

Hi, I have two questions: Is it possible to run the BACnet protocol on any of the 2XX series PLCs? If so, how can this be done? Do any of the HMI panels support BACnet? Thanks in advance for your ...
Industrial Automation icon_circle HVAC and Pumping Forum
1167 0 1
Latest Reply: Bastian_Schmitz

Solved
obscuresc
obscuresc

M172* having the IEC code detect if the code is running in simulation

Hi, I have mostly been testing using PLC hardware and would like to speed up the process by testing in simulation. Is there a way that I can have the PLC code detect that it is running in simulation?...
Industrial Automation icon_circle HVAC and Pumping Forum
824 0 1
Latest Reply: M_Cervati

  • « Previous
    • 1
    • …
    • 10
    • 11
    • 12
    • …
    • 37
  • Next »
To The Top!

Forums

  • APC UPS Data Center Backup Solutions
  • EcoStruxure IT
  • EcoStruxure Geo SCADA Expert
  • Metering & Power Quality
  • Schneider Electric Wiser

Knowledge Center

Events & webinars

Ideas

Blogs

Get Started

  • Ask the Community
  • Community Guidelines
  • Community User Guide
  • How-To & Best Practice
  • Experts Leaderboard
  • Contact Support

    Ask our Experts

    Have a question related to our products, solutions or services? Get quick support on community Forums

    Email Us

    For Community platform-related support, please email us

Subscribing is a smart move!
You can subscribe to this board after you log in or create your free account.
Forum-Icon

Create your free account or log in to subscribe to the board - and gain access to more than 10,000+ support articles along with insights from experts and peers.

Register today for FREE

Register Now

Already have an account? Login

Terms & Conditions Privacy Notice Change your Cookie Settings © 2026 Schneider Electric

Welcome!

Welcome to your new personalized space.

of

Explore