Mitsubishi Electric CITY MULTI PUHY-P108 Service Handbook page 9

CONTENTS
IX Troubleshooting
[1] Check Code Lists................................................................................................................ 235
[2] Responding to Error Display on the Remote Controller...................................................... 239
[3] Investigation of Transmission Wave Shape/Noise ............................................................. 314
[4] Troubleshooting Principal Parts.......................................................................................... 317
[5] Refrigerant Leak ................................................................................................................. 350
[6] Compressor Replacement Instructions (only P168-P234 types) ........................................ 351
[7] Collecting the Cooling Liquid from the Accumulator (Only P168-P234 types).................... 353
[8] Servicing the BC controller ................................................................................................. 354
X
LED monitor display on the outdoor unit board
[1] How to read the LED on the service monitor ...................................................................... 361