Why is my Honeywell thermostat flashing red?

If you see the red flashing light during regular operation, this usually means that the outdoor unit was shut off due to a problem and is currently “locked out” from normal operation. When you see the red flashing light, it is usually in a diagnostic feature to alert the HVAC repair technician to what the problem is.

How do I reset my BDR91 relay box?

Information

1. Question / Problem. How do I reset the BDR91 relay box?
2. reset, relay box, receiver, BDR91, 15 seconds.
3. In order to reset the BDR91 relay box, press and hold the push button for 15 seconds (until the red LED blinks rapidly).

What is a BDR91?

The BDR91 transmits on 868MHz and is able to switch on and off heating components where you require a time and temperature demand, the BDR91 will act as the switch, for example, pumps or motorised zone valves.

What does a blinking red light mean?

stop sign
FLASHING RED—A flashing red signal light means exactly the same as a stop sign: STOP! After stopping, proceed when safe and observe the right-of-way rules. YELLOW ARROW—A lighted red arrow is about to appear. Stop if you are not already in the intersection.

What does a blinking red light mean on a water heater?

If your water heater flashes a red light every 3 seconds, the pilot is lit and the gas valve works normally. If your water heater has a solid red light, it is shutting down and you should turn the gas valve off and wait 10 minutes before attempting to relight the pilot.

How do I reset my wireless thermostat?

A common way to reset almost any thermostat is to hold down the reset button for 5+ seconds. Alternatively, try resetting battery-powered thermostats by flipping the battery directions around for 5s, then flip them back. If all else fails, switch off the power at the circuit breaker for a couple minutes.

What is a wireless relay box?

This wireless relay box is used with a number of Honeywell heating controls to provide the switching link between valves, pumps, boilers or other heat sources and a number of Honey-well Wireless products.

Why is my battery charger blinking red?

Occasionally, the charger might show blinking red right to indicate bad batteries. This indicates that the battery already have a full charge. If charging is needed, briefly drain the batteries before trying again. If the light blinks red in about 90 seconds after battery insertion, then the battery voltage is too low.

What is the red light flashing on my Iphone?

There is a proximity detector near the selfie camera that may appear to be red under some lighting conditions. It is used to lock the screen when you hold the phone to your face for a call.

Why is my hot water heater not blinking?

If the Status Light is not flashing, try lighting the pilot using the instructions on the water heater’s label. Make sure the gas supply valve is turned ON. When lighting the pilot, make sure the knob on the gas control valve is fully pushed in.

Why does my bdr91 have a flashing red light?

If the BDR91 does not receive a communication from the device from some time then the red light will flash to indicate that one of the room units is missing. In these circumstances the original binding must be deleted first before binding the new room unit. I was guessing it might be something to do with the change of controllers and binding.

What do the bdr91 LED indicators mean?

The BDR91 has a single red and a single green LED indicator: Normal operating status: GREEN light means the relay is on, otherwise the light will be off.

What does the push button on the bdr91 mean?

The push button and GREEN light will respond as in normal operation mode. If unit has no valid binding data, the RED light will flash at approx 0.1s on, 0.9sec off. The factory reset will return the unit to the conditions at first power-on. This is initiated by pressing and holding the push button for 15 seconds.

How to bind the bdr91 relay box to the cm921?

1. Press and hold the Relay Box push button for 15 seconds (until the red LED blinks rapidly) to clear any previous binding data. 2. Press and hold the button again for 5 seconds (until the red LED blinks slowly).