Compressor Overload - Daikin VRV Inverter K Series Manual

SI-05C.BOOK Page 325 Monday, November 6, 2000 4:13 PM
SiE-05C
5.4

Compressor Overload

L L L L 8 8 8 8
Remote Controller
Display
Supposed Causes
Troubleshooting
Output current check
Troubleshooting PLUS Series
Compressor overload
Compressor coil disconnected
Defect of inverter unit
The
secondary
current of the inverter
YES
is higher than 27.5A (TAL)
or 15 A (Y1, YAL)
for each phase.
NO
Disconnect
YES
the the connection between
he compressor and
inverter.
NO
Compressor
inspection The compressor's
coil is disconnected.
Inverter
output voltage
check Inverter output
voltage is not balanced.
NO
(Normal if within ±8 V [Y1, YAL])
(Note) Must be measured
when frequency is
stable.
YES
After turning on again,
"L8" blinks again.
How to Use The Monitor Switch On The Inverter PC Board
Compressor overload
Inspection of the compressor
and refrigerant system is
required.
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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(VF161)
325