Outdoor Unit Control Panel Led Display - Panasonic U-10MF1E8 Service Manual

2. Outdoor Unit Control Panel LED Display

LED (RED)
1 2
(Both ON)
(OFF) (ON)
(Both OFF)
(Blinking alternately)
(Both blinking)
(Blinking alternately)
5
After the power is turned ON (and automatic address setting is not in progress), no communication
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 confi rmed 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, and
automatic address setting is not in progress, 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 17 times. The cycle then repeats.
Alarm is "P17."
( : ON
Display meaning
5 - 4
3-WAY SYSTEM
Trouble Diagnosis
: Blinking : OFF)