Sanyo SPW-D253GH56 Service Manual page 78

16) 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.
17) Symptom: LCD on the remote controller displays "CHECK L13".
When the group of the units are
installed, is there any mis-cross
between inter unit control wiring and
refrigerant tubing?
Check the capacity of the indoor unit
4
by remote controller.
See Test Run Manual.
18) "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
No
Start
Yes
Yes
Repair the wiring.
Select indoor units which match with
the outdoor capacity.
0647_M_S
Repair the wiring.
0648_M_S
Connect firmly.
0649_M_S
– 78 –
4. Service procedures
SM830036