Panasonic Error Code F90 F93 & F99 Compressor Rotation Failure

Panasonic Error Code F90 Power factor correction (PFC circuit protect)
Panasonic Error Code F93 Outdoor compressor abnormal revolution
Panasonic Error Code F99 Outdoor direct current peak detection.
Disclaimer:
This educational video is intended for informational purposes only. It provides general guidelines for troubleshooting common air conditioner error codes. Servicing air conditioners involves electrical hazards. For your safety, DO NOT ATTEMPT to repair by yourself. Always consult a trained professional. Always refer to the manufacturer's manual for safety precautions and troubleshooting steps.
The information contained in this video is subjected to change without prior notice. Any views, opinions and guidance set out in this video is provided for general information purposes only and are made with no assumption of responsibilities, representations or warranties of any kind. Neither PANASONIC APPLIANCES AIR-CONDITIONING MALAYSIA SDN BHD OR ITS AFFILIATE COMPANIES NOR ANY OF ITS DIRECTOR, EMPLOYEES OR REPRESENTATIVES SHALL BE LIABLE FOR ANY DAMAGES ARISING OUT OF OR IN CONNECTION WITH THIS VIDEO.

[@hristokalpachki6165]

Where can I find that inverter checker, can you provide a link?

[@hazimismail9158]

how to check the pcb other than use the method of using inverter checker? really need urgent answer. thank you in advance