How to clear the diagnostic code on the controller (control board)?
Note: Before clearing the diagnostic code, be sure to find and correct the problem. For the Office Pro units with the old controller (Units manufactured before April 2007 with a green LED): • 1) Unplug the unit and wait for 5 seconds. • 2) Push and hold the HRS and MIN buttons simultaneously. • 3) Then plug the unit in while still holding the buttons. For Classic Plus units with the old controller (Units manufactured before April 2007 with a green LED): • 1) Unplug the unit and wait for 5 seconds. • 2) Push and hold both fan speed buttons simultaneously. • 3) Then plug the unit in while still holding the buttons. For units with the new controller (for all Office Pro and Classic Plus units manufactured from April 2007 to present): Press hold COOL ON/OFF and FAN HI/LO simultaneously for 5 seconds. For units with the new controller: – CL10 & CL18 (Units manufactured from January 2008 to present) – CL40 (Units manufactured from May 2009 to present) – CL60 (Units manufactured from April 200
