Manual Honeywell CM721 (page 15 of 16) (English)

471572

Zoom out

Zoom in

1/16

Symptom

BlankDisplay(PowerLoss).

Displayshowsashing

symbol.

Displayshows symbol.

Displayshowstheword'SERVICE'

BDR91redLEDisconstantlyon

orashing

Remedy

Checkbatteriesareinstalledbyremovingthebattery

cover.

Checkbatterieshavebeeninstalledinthecorrect

orientation.

Replacethebatteries.

Thebatteriesinthethermostatarelowonpower

-Replacethebatteries.

Afaulthasoccurredinyourheatingsystem.Remove

andre-insertthebatteries.

Ifthe symboldoesnotclearafterafewminutes

contactyourinstaller.

Your installer has set a scheduled maintenance alert

period on your CM727 as a recommendation that your

heating system should receive a routine inspection.

Call your installer to arrange a maintenance visit.

Note: The CM727 and heating system will continue to

operate as normal.

RF communication lost due to the wrong location of

the room unit - Hook the room unit back on the wall

bracket where RF communication was reliable.

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.

TROUBLESHOOTING THE CM727

Green light on red light flashing box next to boiler why .
Thank youb Submitted on 6-4-2022 at 21:00
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:

Forumrules

To achieve meaningful questions, we apply the following rules:

First, read the manual;
Check if your question has been asked previously;
Try to ask your question as clearly as possible;
Did you already try to solve the problem? Please mention this;
Is your problem solved by a visitor then let him/her know in this forum;
To give a response to a question or answer, do not use this form but click on the button 'reply to this question';
Your question will be posted here and emailed to our subscribers. Therefore, avoid filling in personal details.

new questions and answers
new manuals

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 CM721 in the language / languages: English as an attachment in your email.

The manual is 0,61 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 CM721

Honeywell CM721 Installation Guide - English - 12 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

Honeywell CM721 Manual

Product: