Troubleshooting
Mini Split Making Noise When Off: Clicks, Crackles and Gurgles
Separate brief shutdown or standby sounds from persistent rattling and warning signs without opening the unit.
Topic
Troubleshooting
8 guides
Guides in Troubleshooting
Troubleshooting
Do Mini Splits Turn Off When the Temperature Is Reached?
Most inverter mini splits do not shut off at the set temperature. They slow down and keep running. See what is normal and when cycling is a problem.
Troubleshooting
How to Reset a Mini Split: Remote Reset, Power Reset and MRCOOL Reset Button
A safe way to reset a mini split: off and on, a breaker power reset, remote resync, and where the MRCOOL force start button is. Plus when it will not help.
Troubleshooting
Do Mini Splits Work in Extreme Cold? What to Expect in Winter
Many mini splits heat well in freezing weather, but not every model does. Learn how cold affects a unit, how to read its cold limit, and what to do.
Troubleshooting
Why Does My Mini Split Keep Freezing Up? Indoor and Outdoor Ice
Ice on a mini split can be normal outdoor frost or a real indoor coil problem. See how to tell which, what is safe to check, and when to call a technician.
Troubleshooting
Mini Split Not Heating? Normal Defrost vs a Real Problem
If your mini split blows cool air or will not warm the room, it may just be defrosting. See how to tell normal behavior from a fault and what to check.
Troubleshooting
Mini Split Not Cooling? What to Check Before You Call Anyone
A mini split that runs but does not cool: start with settings, a dirty filter and a blocked outdoor unit. Get a simple order of checks and when to call a pro.
Troubleshooting
Mini Split Leaking Water From the Front? What to Check First
Water dripping from the front of a mini split often comes from a blocked drain line or melting coil ice. See how to tell which and what is safe to check.