Some panasonic non inverter fault codes

f15 - drain level float switch
f16 - louver switch
f17 - dc fan motor
f20 - indoor temperature sensor
f21 - pipe temp sensor (indoor)
f26 - remote control transmission
f27 - indoor outdoor unit disconnected
f30 - system problem
f31 - suction pressure protection
f32 - compressor overcurrent frotection
f40 - heat exchanger outlet temperature sensor
f41 - high pressure switch open circuit