Heater relay swicth

check the fuse

Also check power to the blower motor, this may be a bad motor or power supply to the motor. If you need someone to look at it for you, call a shop near you: http://repairpal.com/acura-repair-in-mays-landing-new-jersey

I have the same problem, but mine was on and suddenly stopped working couldn't get it to work on any settings either..... any suggestions?