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4. SERVICE PROCEDURES
15) Symptom: LCD on the remote controller displays "CHECK E16".
When the group of the units are
installed, is there any mis-cross
between inter unit control wiring and
refrigerant tubing?
Are the total capacities of indoor units
to that of outdoor units more than 107%?
Confirm less than 5 indoor units are
connected.
4
16) "Check P9" is displayed on the remote control unit.
Is 15P connector socket (RED)
being attached to panel
connected firmly with 15P plug?
Replace P.C.B. Ass'y in the
indoor unit.
Start
Yes
No
Yes
No
No
Start
Yes
Yes
Repair the wiring.
Select indoor units which match with
the outdoor capacity.
0647_M_S
0648_M_S
Connect firmly.
0649_M_S
79
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