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Troubleshooting by Indication on the Remote Controller
166
Troubleshooting
Applicable
compressor coil wire
is broken.
YES
Replace the
compressor.
YES
NO
Connect the
connector, and
operate the unit
again.
Is the
connector for
current sensor
connected to outdoor
unit PCB?
NO
YES
Correct the
connections
between the
current sensors
and the STD
compressors.
Are
the current
sensors inversely
connected to 2 STD
compressors?
NO
YES
NO
Mount the
current sensor
correctly, and
operate the unit
again.
Is the
current
sensor mounted on
the T-phase and R-
phase wire?
Replace the
current sensor or
outdoor unit
PCB.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Check the current sensor corresponding to the error code “
J2
” in the
monitor mode.
{
Check 4 shows as follows:
→
Current sensor for constant rate compressor 1
{
Check 4 shows as follows:
→
Current sensor for constant rate compressor 2
{
Explanation for “ ”
Master unit
Slave unit 1
Slave unit 2
System