Wireless Vent and Filter Boost Remote
 
3
69-2676EFS—03
Troubleshooting
Symptom Possible Cause Action
No LED. Normal operation while remote is 
idle.
No action needed.
No LED when button is 
pressed.
The battery has failed. Replace the CR2450 coin cell battery.
LED quickly flashes red 
when button is pressed.
The battery is low. Replace the CR2450 coin cell battery.
LED slowly flashes amber 
when button is pressed.
The remote is not connected to the 
thermostat.
Contact your heating and cooling contractor 
for assistance.
The thermostat does not 
change when a button is 
pressed.
Please allow up to 15 seconds 
for change to show up on the 
thermostat.
1  The battery has failed.
2  The remote has lost 
communication.
1  Verify that the LED shows green when a 
button is pressed on the remote.  If there 
is no LED, replace the CR2450 coin cell 
battery.
2  Contact your heating and cooling 
contractor for assistance.