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Troubleshooting by Indication on the Remote Controller
"J2"
3.24
Outdoor Unit: Current Sensor Malfunction
J2
Remote
Controller
Display
Applicable
RXYQ5P~54P
Models
Method of
Malfunction is detected according to the current value detected by current sensor.
Malfunction
Detection
Malfunction
When the current value detected by current sensor becomes 5A or lower, or 40A or more during
standard compressor operation.
Decision
Conditions
Supposed
Causes
Troubleshooting
252
Faulty current sensor (A6P, A7P)
Faulty outdoor unit PC board
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is the
connector for
current sensor
connected to X25A, X26A
on outdoor unit
PC board
(A1P)?
YES
Are the
current sensors inversely
connected to two STD
compressors?
NO
Is the
current sensor
mounted on the T-phase
(A6P) and R-phase
(A7P) wire?
YES
NO
YES
NO
Si34-601A
Connect the connector, and
operate unit again.
Correct the connections between
the current sensors and the STD
compressors.
Mount the current sensor
correctly, and operate unit again.
Replace current sensor and
outdoor unit PC board.
Troubleshooting
(V3071)
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Troubleshooting
