SW2 setting
Display detail
Explanation for display
Unit
The black square (■) indicates a switch position.
77
1
ON
2 3 4 5 6
°C
Discharge superheat. SHd
0 to 255
Cooling = TH32−TH6
Heating = TH32−TH5
0 to 255
(When the temperature is 100°C or more, hundreds
digit, tens digit and ones digit are displayed by
turns.)
0.1 A
Input current of outdoor unit
0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L
1
-phase open error
Abnormal power synchronous signal
ACTM/IGBT error (VHA)
Undervoltage
•
Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
L
1
phase open error (04) + ACTM/IGBT error (20) = 24
Description
Display
00
01
02
04
08
20
DC bus voltage
180 to 370
180 to 370
(When it is 100V or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
V
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
Outdoor heatsink temperature (TH8)
−40 to 200
:
:
−40 to 200
(When the temperature is 0
:
or less, “-” and
temperature are displayed by turns.)
(When the thermistor detects 100
:
or more,
hundreds digit, tens digit and ones digit are
displayed by turns.)
Outdoor air temperature (TH7)
−39 to 88
−39 to 88
(When the temperature is 0
:
or less, “-” and
temperature are displayed by turns.)
2 cycles
C4
9
Number of defrost cycles
0 to FFFE
0 to FFFE (in hexadecimal notation)
(When more than FF in hex (255 in decimal), the
number is displayed in order of 16
3
's and 16
2
's, and
16
1
's and 16
0
's places.
(Example) When 5000 cycles;
0.5 s 0.5 s 2 s
U9 error detail history (latest)
Code
display
OCH566A
