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SW2 setting
Error postponement code history (2)
ON
of outdoor unit
1
2 3 4 5 6
Error postponement code history (3)
ON
of outdoor unit
1
2 3 4 5 6
Error code history (3) (Oldest)
ON
Alternate display of abnormal unit
number and code
1
2 3 4 5 6
Error thermistor display
ON
When there is no error thermistor,
"–" is displayed.
1
2 3 4 5 6
Operation frequency on error occurring
0~255
ON
1
2 3 4 5 6
Fan step on error occurring
0~10
ON
1
2 3 4 5 6
LEV opening pulse on error occurring
0~500
ON
1
2 3 4 5 6
Indoor room temperature on error occurring
8~39
ON
1
2 3 4 5 6
OCH480A
Display detail
SW1
4
5
6
Indoor unit 1
0
0
0
Indoor unit 2
1
0
0
Indoor unit 3
0
1
0
Indoor unit 4
0
1
1
Indoor unit 5
0
0
1
Indoor unit 6
1
0
1
Indoor unit 7
0
1
1
Indoor unit 8
1
1
1
SW1
4
5
6
Indoor unit 1
0
0
0
Indoor unit 2
0
1
0
Indoor unit 3
0
1
0
Indoor unit 4
1
1
0
Indoor unit 5
0
0
1
Indoor unit 6
1
0
1
Indoor unit 7
0
1
1
Indoor unit 8
1
1
1
The black square (
Explanation for display
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
"00" is displayed in case of no postponement.
Postponement code display
Blinking: During postponement
Lighting: Cancellation of postponement
"00" is displayed in case of no postponement.
When no error history, "0" and "–" are displayed by
turns.
3
: Outdoor pipe temperature /Liquid (TH3)
7
: Outdoor outside temperature (TH7)
8
: Outdoor radiator panel (TH8)
23
: Branch box pipe temperature / Gas (TH–A~E)
63
: High pressure sensor (63HS)
0~255
(When it is 100Hz or more, hundreds digit, tens digit
and ones digit are displayed by turns.)
(Example)
When 125Hz; 0.5 secs.
0.5 secs.
1
0~10
0~500
(When it is 100 pulse or more, hundreds digit, tens
digit and ones digit are displayed by turns.)
(Example)
When 130 pulse; 0.5 secs.
1
For the use of a P100 indoor unit, the sum of 2 pulse
values is displayed.
(Example)
Indoor unit 1 (P100) = 750 pulse
Indoor unit 2 (P100 other) = 400 pulse
SW1
4
5
6
0
0
0
Indoor unit 1
1
0
0
Indoor unit 2
0
1
0
8~39
50
■
) indicates a switch position.
2 secs.
25
0.5 secs.
2 secs.
30
Display
500
250
400
Unit
Code
display
Code
display
Code
display
Code
display
Hz
Step
Pulse
:
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Table of Contents
Troubleshooting
