![Daikin LRLEQ10AY1(E) Service Manual Download Page 108](http://html1.mh-extra.com/html/daikin/lrleq10ay1-e/lrleq10ay1-e_service-manual_502370108.webp)
SiENBE28-901
Troubleshooting
Air Cooled Refrigeration Condensing Unit
107
6.6.13 “
J2
” Current Sensor Malfunction
Remote
Controller
Display
J2
Applicable
Models
LRMEQ5~20AY1
LRLEQ5~20AY1
Method of
Malfunction
Detection
Malfunction is detected from the current value detected by current sensor.
Malfunction
Decision
Conditions
When the current value detected by current sensor becomes 5A or lower, or 40A or more during
STD compressor operation.
Supposed
Causes
Faulty current sensor
Faulty outdoor unit PCB
Defective compressor
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the connector for
current sensor
connected to X25A,
X26A on outdoor unit
PCB (A1P)?
YES
NO
Are the current sensors
inversely connected to two STD
compressors?
NO
YES
NO
YES
Applicable
compressor coil wire
is broken.
Is the current
sensor mounted on
the T-phase wire?
YES
NO
Connect the connector, and operate
unit again.
Correct the connections between
the current sensors and the STD
compressors.
Replace the compressor.
Mount the current sensor correctly,
and operate the unit again.
Replace the current sensor.
Retry
Replace the outdoor unit PCB.
(V3071)