Daikin VRV K - 2.14 Outdoor Unit: PC Board Defect

Troubleshooting Si-95
80 Troubleshooting Inverter K Series
2.4 Indoor Unit: Fan Motor (M1F) Lock, Overload
Remote Controller
Display
AA
AA
66
66
Supposed Causes ■ Fan motor lock
■ Disconnected or faulty wiring between fan motor and PC board
Troubleshooting
Connect the wiring and turn on again.
Fix the wiring and turn on again.
YES
NO
NO
NO
YES
NO
Replace the indoor unit PC board.
Replace the fan motor.
Is the
wiring from the fan
motor securely connected to
X4A and X5A on the indoor
unit PC board?
Wiring
between the indoor
unit PC board and
fan motor is
disconnected.
Does the fan motor run?
(VF031)
SI-95.BOOK Page 80 Friday, March 31, 2000 10:59 AM