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

Troubleshooting (Inverter) SiE-05C
162 Troubleshooting Inverter K Series
5.2 Outdoor Unit: Inverter Instantaneous Over-Current
Remote Controller
Display
LL
LL
55
55
Supposed Causes  Defect of compressor coil (disconnected, defective insulation)
 Compressor start-up malfunction (mechanical lock)
 Defect of inverter unit
Troubleshooting Compressor inspection
(VF064)
Inverter
output voltage
check
Inverter output voltage
is not balanced.
(Normal if within ±5 V [TAL],
±8 V [Y1, YAL])
(Note) Must be
measured when
frequency
is stable.
Replace the compressor.
Compressor inspection
Inspect according to the diagnosis
procedure for odd noises, vibration and
operating status of the compressor.
NO
Replace the inverter unit.
YES
YES
The compressor's
coil is disconnected or the
insulation is
defective.
NO
Disconnect
the the connection between
the compressor
and inverter.
After turning
on again, "L5" blinks again.
SI-05C.BOOK Page 162 Monday, November 6, 2000 4:13 PM
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