Sanyo VRV H13....please help asap

Good Day to All
My English is poor,hope all can understand what I say....
There are 2 problem I would like to know what should I do to solve the problem
There are two Condenser in series,2 STD Inverter comperssor and 2 Inverter comperssor

1) First time P29,i was power reset outdoor and indoor,after that H13
I checked the CT have problem and I had change CT,after that it can running normally,but few day later H13 fault code again.
now i was disable the STD Compressor and H13 is not appear
2) But now have the other problem,the AC operating and come with "triangle with an !",now running 1 condenser only,i have no idea what is the problem....
Pleas help....