Panasonic U-100PE1E5 - Page 625

5-17
5
E05 Error in Indoor Unit Transmitting Signal to the Outdoor Unit
Error Detection Method
Error Diagnosis
It is judged an error when a unit itself cannot receive a signal that it has sent.
Indoor unit control PC board error
The setting of the terminal resistor select switch on the outdoor unit main PC board is set incorrectly.
•
•
For information on the procedures for replacing the indoor unit’s control PC board, refer to the manual that is packaged with
the indoor unit service board.
•
1.
2.
Is the terminal resistor select switch on the outdoor main PC board
set to OPEN?
Is the indoor/outdoor operation line opened or shorted?
1-3
1-4
Replace the indoor unit control PC board.1-5
Is the indoor/outdoor operation line connected to more than one
outdoor unit? (Network wired?)
1-1
Is the SHORT on the terminal resistor select switch on the outdoor
main PC board set to one unit, and the others are OPEN?
1-2
Make the SHORT
setting
1-4
Yes
No
1-2
1-3
Yes
No
1-4
Set the SHORT to
one unit only
Yes
No
1 Indoor
unit
control
PC board
Correct the wiring
1-5
Yes
No
TERMINAL EEPROM
A746894 : (U-60PE1E5, U-71PE1E5)
(for single-phase outdoor unit PCB)
CR-50PE1E5 : Up side (U-50PE1E5)
(for single-phase outdoor unit PCB)
TERMINAL
EEPROM
SM830211-07PAC-i.indb17SM830211-07PAC-i.indb17 2013/09/0710:41:542013/09/0710:41:54