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