1 2 3 4 5

1
12
3
4
5
15) Symptom: LCD on the remote controller displays “CHECK E16”.
Start
When the group of the units are
installed, is there any mis-cross
between inter unit control wiring and
refrigerant tubing?
No
Are the total capacities of indoor units
to that of outdoor units more than 107%?
No
Confirm less than 5 indoor units are
connected.
No
Yes
Yes
IV - 18
Repair the wiring.
Select indoor units which match with
the outdoor capacity.
16) “Check P9” is displayed on the remote control unit.
Start
Is 15P connector socket (RED)
being attached to panel
connected firmly with 15P plug?
Yes
Replace P.C.B. Ass’y in the
indoor unit.
Yes
Connect firmly.
0649_M_S
0647_M_S
4. Service procedures