Display During Automatic Address Setting; On Outdoor Main Unit Pcb; Display Details Of Leds 1 And 2 On Outdoor Unit Control Pcb; Remote Controller Display - Panasonic U-8ME1E81 Service Manual

3. Auto Address Setting

Display during automatic address setting

On outdoor main unit PCB

1
LED 2
Blink alternately
* When automatic address setting has been successfully completed, both LEDs 1 and 2 turn OFF.
* If automatic address setting is not completed successfully, refer to the table below and correct the problem.
Then perform automatic address setting again.
Display details of LEDs 1 and 2 on the outdoor unit control PCB
( : ON : Blinking
LED 1 LED 2
1
Alternating
Simultaneous
2
Alternating
Note: " " indicates that the solenoid is fused or that there is a CT detection current failure (current is detected when the
compressor is OFF).
3

Remote controller display

CZ-RTC2
4
5
6
7
8
* Do not short-circuit the automatic address setting pin (CN030) again while automatic address
setting is in progress. Doing so will cancel the setting operation and will cause LEDs 1 and 2 to
turn OFF.
: OFF)
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 the 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 is in progress.
Automatic address setting completed.
At time of automatic address setting, the number of indoor units did not match the number that was set.
" " (when indoor units are operating) indication appears on the display.
Refer to "Table of Self-Diagnostic Functions and Description of Alarm Displays."
is blinking
Display meaning
CZ-RTC3
Auto address
Assigning
Cancel
1-12
2WAY SYSTEM
Address Settings
1