Surge Protector Completed full maintenance on a split system unit Error codes were popping up on the iflo as I arrived. It said the bottle was empty but was still half full. Tech support said the device needs to be replaced. Alvaro came out and replaced it. Tested refrigerant levels, and temperature Tested capacitor Tested fan and compressor amps Took temperature from supply and return Tested blower wheel amp Checked filter Tested float switch Flushed out condensate line Unit is up and operating at this time Refrigerant levels were a little off on this unit. Temperature splits are still great though and no complaints so I don’t think anything needs to be done but we will have to keep an eye on it next maintenance. Indoor unit is still very clean. All electrical components are still in range. Customer approved of the installation of a surge protector. I completed the installation and the unit is up and running.