Panasonic R410A - 5-2. Outdoor Unit Control Panel LED Display

5-4
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5-2. Outdoor Unit Control Panel LED Display
Contents of LED Display on Outdoor Unit Control PCB
Normal operation
EEPROM error (F31)
Pre-trip (insufficient gas)
Pre-trip (other)
Automatic address setting
Automatic address setting in progress
Automatic address setting alarm (E15)
Automatic address setting alarm (E20)
1. No communication from indoor units in system
2.
Communication received from 1 or more indoor units in
system
3.
Regular communication OK
(Capacity and unit quantity match)
Automatic address setting alarm (Other than E15 and E20)
Alarm
Power ON sequence (Initial mode/Reset mode)
Refrigerant recovery mode
: ON
Blinking (0.25/0.75)
: OFF
Blinking alternately
Alternate blinking during alarms
LED 1 blinks M times and then LED 2 blinks N times.
The cycle then repeats.
indicates that the lamp illuminates for 0.25 seconds, and then OFF for 0.75 seconds.
Unless otherwise indicated, the blinking is 0.5/0.5.
M = 2: P alarm 3: H alarm 4: E alarm 5: F alarm 6: L alarm
N = Alarm No.
If it is not possible to advance to 3,
At 3, changes to normal control.
repeats 1 2.
* Example [H15]: LED 1 blinks 3 times and then LED 2
blinks 5 times. (The cycle then repeats.)
P03
(0.25/0.75)
(0.75/0.25)
(0.25/0.75)
(0.75/0.25)
(0.25/0.75)
(0.75/0.25)
Blinking simultaneously
Blinking simultaneously
Blinking simultaneously
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