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SW2 setting
Display detail
Explanation for display
Unit
Thermo ON time until error stops
0~999
0~999
(When it is 100 minutes or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example) When 415 minutes;
0.5 secs. 0.5secs. 2 secs.
1
ON
23456
Minute
15
4
1
ON
23456
Normal
Overvoltage error
Undervoltage error
L1 or L2 phase interruption error
Abnormal power synchronous signal
Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
Power circuit board
Controller circuit board
Power circuit board
Power circuit board
—
Description Detection point Display
00
01
02
04
08
U9 Error status during the Error
postponement period
Code
display
1
ON
23456
Code
display
Code of the difference between room
temperature and set temperature
("∆Tj": 0 - 99 °C)
■ Tens digit of code: current ∆Tj
■ Units digit of code: ∆Tj a minute ago
∆Tj
Cooling Heating
∆Tj = room temp. − Set temp. ∆Tj = Set temp. − room temp.
Code of the difference between room temperature and
set temperature ("∆Tj")
0
1
2
3
4
5
6
7
8
9
000
100
010
110
001
101
011
111
Indoor unit 1
Indoor unit 2
Indoor unit 3
Indoor unit 4
Indoor unit 5
Indoor unit 6
Indoor unit 7
Indoor unit 8
∆Tj −0.5
−1.0 < ∆Tj −0.5
−0.5 < ∆Tj −0.5
0.0 < ∆Tj 0.0
0.5 < ∆Tj 0.5
1.0 < ∆Tj 1.0
1.5 < ∆Tj 0.5
2.0 < ∆Tj 2.0
2.5 < ∆Tj 2.5
3.0 < ∆Tj 3.0
∆Tj −0.5
−0.5 < ∆Tj 0.0
0.0 < ∆Tj 0.5
0.5 < ∆Tj 1.0
1.0 < ∆Tj 1.5
1.5 < ∆Tj 2.0
2.0 < ∆Tj 2.5
2.5 < ∆Tj 3.0
3.0 <
∆Tj 3.5
3.5 < ∆Tj
SW setting (1-4, 5, 6)
Target unit
Target rotation of outdoor fan motor 0~999
1
ON
23456
rpm
Sub-cool (Heating mode) 0~130
:
1
ON
23456
Indoor unit 1
Indoor unit 2
Indoor unit 3
Indoor unit 4
Indoor unit 5
Indoor unit 6
Indoor unit 7
Indoor unit 8
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
1
1
SW1
65
4