SiE-05C
How to Use The Monitor Switch On The Inverter PC Board
Troubleshooting PLUS Series
325
5.4
Compressor Overload
Remote Controller
Display
LLLL888
8
Supposed Causes
Compressor overload
Compressor coil disconnected
Defect of inverter unit
Troubleshooting
Output current check
YES
YES
YES
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.
Disconnect
the the connection between
he compressor and
inverter.
The
secondary
current of the inverter
is higher than 27.5A (TAL)
or 15 A (Y1, YAL)
for each phase.
Inverter
output voltage
check Inverter output
voltage is not balanced.
(Normal if within ±8 V [Y1, YAL])
(Note) Must be measured
when frequency is
stable.
After turning on again,
"L8" blinks again.
NO
NO
NO
Compressor
inspection The compressor's
coil is disconnected.
(VF161)
SI-05C.BOOK Page 325 Monday, November 6, 2000 4:13 PM
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