– IV-13 –
1 2 3
S002
1
S001
POW
D005
LED1
LED2
(11) PCB for LOW AMBIENT models
S002 (Capacity Code)
1
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
OFF
25 type
36 type
48 type
2
3
Meaning of LED indication
LED1
POW
Off
Light
Light
Flash
Light
Light
Off
Light
Normal state
Low pressure switch is activated
Negative phase, Defective phase
High pressure switch is activated,
Outdoor fan thermal protector activated,
Outdoor coil thermistor is open or short
Light
Light
Light
Off
Light
Off
Light
Off
LED2
D005
Cause of trouble