Mini VRF SYSTEM
Trouble Diagnosis
3
3-4
2. Outdoor Unit Control Panel LED Display
LED1
LED2
D302
D303
(Both ON)
(OFF)
(ON)
(Both OFF)
( : ON : Blinking : OFF )
Display meaning
(Blinking alternately)
(Both blinking)
(Blinking alternately)
After the power is turned ON (and automatic address setting is not in progress), no communica-
tion with the indoor units in that system is possible.
After power is turned ON (and automatic address setting is not in progress), 1 or more indoor
units are confirmed in that system; however, the number of indoor units does not match the
number that was set.
Automatic address setting was completed successfully. (After the power is turned ON, the
number of detected indoor units connected to that system matches the number that was set,
and regular communications are occurring.)
Automatic address setting is in progress.
At time of automatic address setting, the number of indoor units did not match the number that
was set.
Alarm display
LED 1 blinks M times, then LED 2 blinks N times. The cycle then repeats.
M = 2: P alarm 3: H alarm 4: E alarm 5: F alarm 6: L alarm
N = Alarm No.
Example: LED 1 blinks 2 times, then LED 2 blinks 16 times. The cycle then repeats.
Alarm is “P16.”
SM830209-00̲Mini̲VRF SYS.indb 4
SM830209-00̲Mini̲VRF SYS.indb 4
2012/01/11 18:24:29
2012/01/11 18:24:29
