58
Outdoor unit operation monitor function
SW2 setting
1
ON
2 3 4 5 6
Display detail
Explanation for display
Unit
Operation indicator SW2 : Indicator change of self diagnosis
<Digital indicator LED1 working details>
·
Lighting (Normal operation) : Indicating the operation mode.
(Be sure the 1 to 6 in the SW2 are set to OFF)
(1) Display when the power supply ON.
When the power supply ON, blinking displays by turns.
Wait for 4 minutes at the longest.
1
ON
2 3 4 5 6
(Initial setting)
SW2
1 second
interval
LED1
(Lighting)
(2) When the display lights. (Normal operation)
1
Operation mode display.
Display
Operation mode
The tens digit : Operation mode
The units digit : Relay output
O
C
H
d
Display
0
1
2
3
4
5
6
7
Compressor 4-way valve Bypass solenoid valve
—
—
—
—
ON
ON
ON
ON
—
—
ON
ON
—
—
ON
ON
—
ON
—
ON
—
ON
—
ON
OFF
COOL
HEAT
DEFROSTING
Display Inspection unit
0
1
2
3
4
Outdoor unit
Indoor unit 1
Indoor unit 2
Indoor unit 3
Indoor unit 4
1 second
interval
<Abnormal unit number>
<Abnormal code>
2
Error postponing display
(Compressor stop by the protection device
working) : Display the postponement code.
Postponement code is display during the error
postponing.
(3) When the display blinks (Operation stop by the protection device working) : Display the inspection code.
An error unit number and code are displayed by turns.
Code
indication
(4) When 7SEG display lights up (Protective device stops compressor operating.):
The screen displays the corresponding code when abnormality is being recorded.
OC379F
