Mitsubishi Electric PQHY-P72ZLMU-A Service Handbook page 9

CONTENTS
[6] Compressor Replacement Instructions................................................................................. 357
[7] Servicing the BC controller ................................................................................................... 366
[8] Troubleshooting Using the Heat source Unit LED Error Display .......................................... 369
X LED Monitor Display on the Heat source Unit Board
[1] How to Read the LED on the Service Monitor ...................................................................... 373
HWE15150 GB