E02 Remote Controller Transmission Failure - Panasonic 2WAY Multi Technical & Service Manual

E02 Remote Controller Transmission Failure

Error detection method
When the remote controller (controller) itself cannot transmit. Or, when a self-transmitted signal cannot be
selfreceived or changes, an error is determined.
• Breakdown of remote controller itself
Troubleshooting
1
1-1 Is this indoor unit group-controlled?
Remote
controller
Any short-circuit or broken wires for remote controller group link
group wiring
1-2
wiring 1 (white) and 2 (black)?
2
Is an option board (CN060) or wireless remote controller (CN041)
2-1
Indoor
connected to the indoor control board?
control
Does E02 disappear several minutes after disconnecting said
board
connector on the indoor control board? (When controlling with two
2-2
remote controllers and the wireless remote controller is the main, set
the other remote controller as the main).
2-3 Replace the removed option board or wireless remote controller operating unit, wiring and all.
2-4 Short-circuit or misrouting in indoor unit remote controller wiring?
● The designation (/) is used in the table to indicate indoor boards for DC and AC motor models.
● There is no TEST pin on the indoor board for AC motor models.
● See "5. Reference Document" for checking remote controller.
● For board and Electrical Wiring Diagram, see Chapter 6.
• Outdoor main board: page VI-2
• Outdoor power board: page VI-3
• Converter board: VI-4
• Indoor control board for DC motor models: page VI-5
• Outdoor Unit Electrical Wiring Diagram: page VI-6
● See instructions packaged with servicing indoor board for procedure on replacing indoor control board.
IV–33
Yes 1-2
No 2-1
Yes Repair wiring
No 2-1
Yes 2-2
No 2-4
Yes 2-3
No 2-4
Yes Repair wiring
Replace indoor
No
control board