How to resolve error code A3, P05, P10, 2502(float switch and drain pump)

Water Pump. Water pump is fix in the ceiling cassette and ducted unit to pump out the condensate water. Float Switch Float switch is protect water leaking from ceiling cassette or ducted unit when water choke by algae or water pump faulty. Error code: Daikin : A3 Mitsubishi electric: P05, 2502 Panasonic: F15-01, P10 Sanyo : P10 How to clean drain pump: https://youtu.be/5QBmzXNw0z0 #bonmj #daikin #vrv #vrf