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Service Diagnosis
3.3 Error Indication from Outdoor
3.3.1 ARXN/RXN50/60L , RXB50/60A - 7 Segment Display
It is located inside outdoor unit control panel beside the terminal block. Control panel cover has to be
removed to get access to the 7 segment display.
When there is no error, the compressor running frequency is displayed.
When there is an error, the error code flashes as below:
N
r o
m
l a
o
p
r e
t a
o i
n
F
a l
s
h
n i
g
E
r r
r o
C
o
d
e
In addition, 7 segment also can be used to retrieve unit operating conditions such as running current, DC
voltage, ambient temperature, indoor air temperature, etc.
By pressing the tact switch, the 7 segment will start to flash from "
". Press again, it will show "
" and
subsequent running number show the parameter number.
Then, the 7 segment will flash again showing the parameter measurement.
When the 7 segment display is left untouched for 5 min, the display will light off (Dim).
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