To Next PageTo Next PageWhat to do if my Honeywell R6H911RF says 'WIFI RADIO ERROR'?
If your Honeywell Thermostat displays a 'WIFI RADIO ERROR', power cycle the thermostat by removing power for 30 seconds, then restart it. If the error persists, the Wi-Fi radio of the thermostat might be faulty, and you may need to replace the thermostat.
What does it mean if my Honeywell R6H911RF Thermostat says 'NO COMMUNICATION RECEIVER BOX'?
If your Honeywell Thermostat displays 'NO COMMUNICATION RECEIVER BOX', it indicates that the thermostat isn't receiving communication from the receiver box. This could be because the RF signal is blocked due to the location of the thermostat, or the receiver box is no longer powered. Check the power to the receiver box to resolve this issue.
What to do if one of the status LEDs on the Honeywell R6H911RF Thermostat Receiver box is red (Communication loss)?
A red status LED on the Receiver box indicates a loss of communication with the thermostat. This could happen if the thermostat is too far from the Receiver box, the signal is blocked, or the thermostat has lost power. Try moving the thermostat or Receiver box closer, relocating them, and check the power to the thermostat.
What to do if my Honeywell R6H911RF Thermostat displays 'INTERNAL MEMORY ERROR'?
If your Honeywell Thermostat shows an 'INTERNAL MEMORY ERROR', it means the internal memory of the thermostat is faulty, and you will need to replace the thermostat.
What to do if the Receiver box button LED is green but the Honeywell zone valve does not switch on?
If the Receiver box button LED is green, but the zone valve doesn't switch on, the zone valve wiring might be incorrect or broken. Check the wiring of the Receiver box.
General| Programming | 7-Day Programmable |
|---|---|
| Backlight | Yes |
| Hold Feature | Yes |
| Filter Change Alert | Yes |
| Type | Programmable |
| Power Source | Battery |
| Display | Digital |
Lists key features of the T6R Smart Thermostat, including its design and connectivity.
Highlights features of the 2-channel Receiver box, such as LED indicators and wiring ease.
Explains the meaning of various icons used on the T6R thermostat display.
Describes the status LED, binding mode, and manual override features of the receiver box.
Wiring diagram for 230V zone valves and an on/off boiler.
Wiring diagram for 230V zone valves and an OpenTherm® boiler.
Wiring diagram for 24V zone valves and an on/off boiler.
Wiring diagram for 24V zone valves and an OpenTherm® boiler.
Instructions for opening and removing the top cover of the receiver box.
Instructions for wall box or rear wiring of the receiver box.
Instructions for securing surface wiring using cable clamps.
Instructions for closing and securing the receiver box cover.
Notes that thermostats need to be bound to the receiver box after power up.
Step-by-step guide for powering up, setting up, and binding the first zone thermostat.
Instructions for putting the receiver box into binding mode for thermostat pairing.
Details the binding success/failure indicators and common troubleshooting steps.
Step-by-step guide for powering up, setting up, and binding the second zone thermostat.
Instructions for putting the receiver box into binding mode for the second thermostat.
Details the binding success indicators for the second zone thermostat.
Explains each menu item and its default settings and options.
Provides detailed descriptions of special features like Heat Range and Optimisation.
Explains how the thermostat controls modulating appliances for accurate temperature.
Describes the low load control algorithm for boiler performance.
Details how the thermostat manages hot water savings.
Explains the appliance data viewable via OpenTherm® communication.
Explains heat demand control for ON/OFF and OpenTherm® boilers.
Describes boiler control for ON/OFF boilers using zone valve end switches.
Describes boiler control for OpenTherm® boilers comparing zone demands.
Lists technical specifications for the T6R thermostat.
Lists technical specifications for the 2-channel receiver box.
Details environmental compliance and operating conditions.
Details RF communication band, protocol, and range.
Lists common receiver box fault symptoms and possible causes.
Lists common thermostat alert messages and their remedies.
