SW2 setting
Display detail
Explanation for display
Unit
The black square (
■
) indicates a switch position.
97
1
ON
2 3 4 5 6
°C
Discharge superheat. SHd
0 - 255
Cooling = TH4-TH6
VHA2
(1)
Heating = TH4-TH5
VHA3(R1)
Cooling = TH32-TH6
Heating = TH32-TH5
0 - 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 - 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 (P100-140V)
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 - 370
180 - 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
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
Indoor setting temperature
17 - 30
Outdoor pipe temperature/2-phase (TH6)
−
39 - 88
Outdoor heatsink temperature (TH8)
−
40 - 200
17 - 30
:
:
:
−
39 - 88
(When the temperature is 0
:
or less, “–” and
temperature are displayed by turns.)
−
40 - 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 outside temperature (TH7)
−
39 - 88
−
39 - 88
(When the temperature is 0
:
or less, “–” and
temperature are displayed by turns.)
(
)
(
)
2 cycles
C4
9
VHA3R2,
VHA3R3, VHA4
YHAR1,
YHAR2, YHA2(R1)
Number of defrost cycles
0 – FFFE
0 – 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 secs. 0.5 secs. 2 secs.
U9 error detail history (latest)
Code
display
OCH415G
