Honeywell CM737 - User Manual

Other manuals for Honeywell CM737

Questions and Answers:

S
Sara GomezAug 13, 2025
What to do if the Honeywell Thermostat display is blank?
- J
  Joseph BarkerAug 13, 2025
  If the display is blank after installing the CM737, the heating appliance may not be getting power, preventing the rechargeable battery from charging. Ensure the power supply cable of the heating appliance is properly connected. Also, if the power supply or communication between the CM737 and the heating appliance has been interrupted for more than 8 hours, check the power supply cable of the heating appliance. After power is restored, you may need to adjust the time.
G
George TorresAug 17, 2025
Why does a flashing sun symbol appear on my Honeywell Thermostat?
- J
  John HatfieldAug 17, 2025
  If a flashing sun symbol appears on the display, it indicates that the heating appliance is showing an error. Press the button to view the error code, then check the heating appliance manual for more information.
B
Bethany WalkerAug 20, 2025
How to fix a flashing sun symbol on Honeywell Thermostat CM737?
- D
  Dustin RogersAug 21, 2025
  A flashing sun symbol appearing shortly after powering on the CM737 suggests that the device is receiving power from the heating appliance but no information. Ensure the CM737 is connected to the correct OpenTherm connection terminals of the heating appliance.
C
Cheryl LevineAug 25, 2025
What does a solid sun symbol on Honeywell Thermostat mean?
- K
  Keith WilliamsAug 26, 2025
  A permanently displayed sun symbol indicates a communication error due to an interrupt or short circuit between the heating appliance and the CM737. Check if the power supply cable of the heating appliance is properly connected and also inspect the wiring.
E
Elizabeth SmithAug 28, 2025
What to do if the Honeywell Control Panel CM737 display is blank?
- T
  teresaburtonAug 28, 2025
  If the display is blank, it might be because the power supply cable of the heating appliance is disconnected, or the communication between the CM737 and the heating appliance has been interrupted for more than 8 hours. Check the power supply cable of the heating appliance. After power is restored, you may need to adjust the time.
T
Timothy WellsSep 1, 2025
Why is a symbol permanently displayed on my Honeywell Control Panel CM737?
- S
  susan95Sep 1, 2025
  If a symbol appears permanently on the display of your Honeywell Control Panel CM737, there may be a communication error due to an interrupt or short circuit between the heating appliance and the CM737. Check if the power supply cable of the heating appliance is connected and inspect the wiring.
M
Michael BrownSep 4, 2025
What does it mean when a flashing symbol appears on the Honeywell CM737 Control Panel after some time?
- W
  Wendy JohnsonSep 4, 2025
  If a flashing symbol appears on the Honeywell Control Panel CM737 display after it has been operating for a while, it indicates that the heating appliance is showing an error. Press the button to see the error code. This fault code depends on the type of heating appliance.
E
Eric ArmstrongSep 8, 2025
How to fix a flashing symbol on Honeywell CM737 Control Panel after powering on?
- C
  Carmen PriceSep 8, 2025
  If a flashing symbol appears on the display of your Honeywell Control Panel CM737 within one minute of powering it on, the CM737 might not be connected to the correct terminals of the heating appliance. Check if the wiring is connected to the Open Therm connection terminals of the heating appliance.

Honeywell CM737 Specifications

General

Type	Programmable Thermostat
Display	LCD
Wi-Fi Enabled	No
Mobile App	No
Battery Backup	Yes
Mounting	Wall-mounted
Number of Programs	7-day programmable
Stages	1 Heat / 1 Cool
Compatibility	Heating and Cooling Systems
Switching Voltage	24VAC
Switching Current	1A
Voltage	24VAC
Battery	2 AA batteries
Power	24VAC or battery-powered