Remote
control
error code
7-segment
display
Name of inspection Classification Page
E48 E48 Outdoor DC fan motor anomaly DC fan motor error 262
E49 E49 Low pressure error System error 263
E53 E53 Suction pipe temperature sensor anomaly (Tho-S) Sensor wire breakage 264
E54 E54
High pressure sensor anomaly (PSH)/Low pressure sensor
anomaly (PSL)
Sensor wire breakage 265
E56 E56 Power transitor temperature sensor anomaly (Tho-P1) Sensor wire breakage 266
E58 E58 Anomalous compressor by loss of synchronism System error 267
E59 E59 Compressor startup failure System error 268
E63 E63 Emergency stop Site setting error 269
7-segment
display
Reason for display Unit status How to deal
[oP7] Model setting error due to DIP switch Normal operation impossible
Check the settings of SW3-2 and
SW4-1 to 4-4. See page 215.
[oP8]
Extremely low outside temperature operation
stopped when outdoor temperature <-22°C
Normal operation impossible
Use this machine in an
environment where the outdoor
temperature is> -20°C.
2) Option control in-use
3) Operation code
SL2NA-E
SL4-AE/BE
Indoor unit
control PCB
Outdoor unit
control PCB
Location of
trouble
Description of trouble
Repair
method
Error
code
Red
LED
Red
LED
Green
LED
Red
LED
Green
LED
E75
Keeps
flashing
Stays
OFF
Keeps
flashing
Stays
OFF
Keep
flashing
・Communication enor (Deflective comm-
unication circuit on the main unit of
SL1N-E, SL2NA-E or SL4-AE/BE)
Replacement
SL1N-E
SL2NA-E
-
219
-