Fujitsu AUXB04GALH Service Manual page 167

Network Convertor (UTY-VGGXZ1)
Trouble shooting 89
Error Contents :
Refrigerant circuit address setting
error
Details :
Condition of occurrence :
Release condition : Indoor unit registration is 2 refrigerant circuits or less.
Cause 1 : Check of number of indoor unit registration refrigerant circuits
Check indoor unit registration.
(1) Number of refrigerant circuits of indoor unit registered at Replace Group Remote Controller is 3 refrigerant circuits or more
even though connected to one converter.
YES
Make 2 refrigerant circuits or less
and wait 2 minutes
-
Symptom :
Error Code display [ 2 6 ]
Indoor unit registration is 3 refrigerant circuits or more.
Replace Network Convertor
Replace Group Remote Controller
NO
04-97