Daikin VRV K - Excessive Number of Indoor Units

Si-95 Troubleshooting
Troubleshooting Inverter K Series 109
2.33 Excessive Number of Indoor Units
Remote Controller
Display
UU
UU
AA
AA
Supposed Causes ■ Excess of connected indoor units
■ Defect of outdoor unit PC board (A1P)
Troubleshooting
The number of indoor units that can be connected to a single outdoor unit system depends on the model of
outdoor unit.
RSEY 8K : Max. 13 units
RSEY10K : Max. 16 units
(VF059)
The total
of indoor units
displaying "UA" and indoor
units connected to the same
refrigerant system is
24 units or
less.
Replace outdoor unit PC board (A1P).
Use only R22 or R407C units.
NO
NO
Normal
NO
There are too many indoor units within
the same refrigerant system.
Push and hold the RESET
button on the outdoor unit PC
board for 5 seconds.
YES
YES
YESAre R22 and R407C
indoor units used together?
Does a malfunction
occur again?
SI-95.BOOK Page 109 Friday, March 31, 2000 10:59 AM