Slave Unit Error - Fujitsu Airstage V-II Service Manual

Trouble shooting 51
OUTDOOR UNIT Error Method:

Slave Unit Error

Detective Actuators:
Slave Unit
Check Point 1 : Check the slave unit
Slave unit 7 seg display check
Check by troubleshooting based on displayed error code.
Indicate or Display:
I
Outdoor Unit : E. 9U. 2
Indoor Unit : No display
Error Code : 9U
Detective details:
Error signal rece ived from slave unit of same refrigerant system
04-59