LG TN-C090BT00, Руководство по обслуживанию

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Troubleshooting Guide
VOLTAGE LIMITS
1. No cooling and heating operation performed
1) Both the blower and the compressor do not work
NAME PLATE RATING MINIMUM MAXIMUM
380 - 415 V 342 V 456 V
2) Only Indoor blowers do not work
WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY
Other parts except the
unit
Magnetic switch for com-
pressor & fan motor
Operating switch
Electric supply interrupted
Defective power wiring
Cut off power fuse
Too low voltage
Control point is on condi-
tion of "OFF" due to trou-
ble.
Troubled or defective
contactor
Measure power sypply
with a tester in case that
the same power source is
supplied to other equip-
ment except the unit,
what and where troubled
can be discovered by
checking the operation of
other equipment.
Measure it with a tester.
Make short-circuit, then
measure it with tester.
Check it with the eyes or
tester.
Repair a switch box and
relative instrument.
Replacement of fuse
Request a power
supplier to repair.
Check the power source.
Use a thick cable if nec-
essary.
Replace it if necessary.
Repair or replace it.
WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY
Motor
Capacitor
Electric wiring
Over heated
Wiring short
Defected
Cut- OFF of wiring
Short circuited on
operation
Check it with tester
Check it with a tester.
Check it with a tester.
Repair or replace it.
Replace it.
Rewiring or Repair.
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