MHI · Air Conditioning
If the remote control display fades or becomes difficult to read, it indicates that the remote control batteries are exhausted and need to be replaced.
Click steps to track your progress.
Replace the old batteries with two new R03 (AAA, Micro) batteries.
Ensure batteries are inserted with correct polarity (+ and - marks).
If the display is abnormal even after replacing batteries, press the ACL switch with a ballpoint pen tip.