Outdoor Unit: Inverter Instantaneous Over-Current - Daikin VRV Inverter K Series Manual

SI-05C.BOOK Page 162 Monday, November 6, 2000 4:13 PM
Troubleshooting (Inverter)
5.2

Outdoor Unit: Inverter Instantaneous Over-Current

L L L L 5 5 5 5
Remote Controller
Display
Supposed Causes
Troubleshooting
Compressor inspection
162
Defect of compressor coil (disconnected, defective insulation)
Compressor start-up malfunction (mechanical lock)
Defect of inverter unit
The compressor's
YES
coil is disconnected or the
insulation is
defective.
NO
Disconnect
the the connection between
the compressor
and inverter.
Inverter
output voltage
check
Inverter output voltage
is not balanced.
YES
(Normal if within ±5 V [TAL],
±8 V [Y1, YAL])
(Note) Must be
measured when
frequency
is stable.
NO
After turning
on again, "L5" blinks again.
Replace the compressor.
Replace the inverter unit.
Compressor inspection
Inspect according to the diagnosis
procedure for odd noises, vibration and
operating status of the compressor.
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Troubleshooting Inverter K Series
SiE-05C
(VF064)