471574

Honeywell CM927 Manual

15
Zoom out
Zoom in
Previous page
1/18
Next page
15
FAQ’s & TROUBLESHOOTING
Symptom Possible Cause Remedy
The thermostat’s LCD display
works but the heating does not
switch on (BDR91 LEDs are off
or green one is on).
No power to heating system. Check that there is power to the heating system.
Program does not call for
heat.
Move the slider switch to MAN and press
or to
increase the temperature a few degrees above the
current room temperature. The heating should come
on after a few seconds.
Wrong electrical connection. Call electrical installer to check the boiler and BDR91
power supply as well as the connection between the
boiler and the BDR91.
The red LED on the BDR91 is
constantly on or flashing.
RF communication lost due
to the wrong location of the
thermostat.
Hook the
thermostat
back on the wall bracket or
replace the
thermostat
on the table stand in the
position where RF communication was reliable.
RF communication fault.
Call installer.
NOTE: You can control the boiler manually when the RF
communication is lost: Press the BDR91 push button
to switch the boiler on and off. When the green LED is
on – the boiler is on.
Heating switches ON or OFF too
slowly or quickly.
The thermostat not set
correctly for your system.
Call Installer.
Temperature swings between
too hot and too cold.
The thermostat not set
correctly for your system.
Call Installer.
… 15 …


Need help? Post your question in this forum.

Forumrules
1

Forum

honeywell-cm927

Reset search

  • the display remains empty (shut off) although I changed the batteries. Submitted on 4-7-2022 at 12:58

    Reply Report abuse

    • Your screen probably died same happend to mine recently Answered on 30-8-2022 at 21:23

      Vote up Report abuse

    • Does that mean, I have to get a new one Honeywell CM927? Answered on 8-9-2022 at 12:55

      Vote up Report abuse

  • Hallo das Display bleibt aus trotz sachgerechtem Austausch von Batterien. Was kann ich tun? Submitted on 4-7-2022 at 12:57

    Reply Report abuse


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Honeywell CM927 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Honeywell CM927 in the language / languages: English as an attachment in your email.

The manual is 0,98 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of Honeywell CM927

Honeywell CM927 User Manual - German - 18 pages

Honeywell CM927 User Manual - Dutch - 37 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info