90
OCH439M
U9 error detail history (latest)
Normal
Overvoltage error
Undervoltage error
Input current sensor error
L
1
-phase open error
Abnormal power synchronous signal
PFC error (W50V)
(Overvoltage/Undervoltage/Overcurrent)
PFC/ATCM/IGBT error (W50–85V/HW140V)
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) + PFC/ATCM/IGBT error (20) = 24
Description
Display
00
01
02
04
08
10
20
°C
Sub cool (SC)
0 to 130
Cooling: SC = T
63HS
−TH3
Heating: SC = T
63HS
−TH6
0 to 130
(When the SC is 100°C or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
1
ON
2 3 4 5 6
0.1 A
Input current of outdoor unit
0 to 500
0 to 500
(When it is 100 or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
1
ON
2 3 4 5 6
Pulse
LEV-B opening pulse
0 to 500
0 to 500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
Code
display
Direct current bus voltage
150 to 400 (W50/85V, HW140V)
300 to 750 (HW112/140Y)
150 to 400 (W50/85V, HW140V)
300 to 750 (HW112/140Y)
(When it is 100 V 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
Code
display
Deferred error history (2)
of outdoor unit
Deferred check code display
Blinking: being deferred
Lighting: deferment is cancelled
“00” is displayed in case of no deferment.
Code
display
Deferred error history (3)
of outdoor unit
1
ON
2 3 4 5 6
1
ON
2 3 4 5 6
Deferred check code display
Blinking: being deferred
Lighting: deferment is cancelled
“00” is displayed in case of no deferment.
1
ON
2 3 4 5 6
%
When there is no setting
of capacity save, “100” is
displayed.
0 to 100
(When the capacity is 100%, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example) When 100%;
0.5 s 0.5 s 2 s
00
1
Capacity save
0 to 100
The black square (
■
) indicates a switch position.
2 cycles
<From 17U***** (unit No.) onward>
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
C4
9
SW2 setting
Display detail
Explanation for display
Unit