Troubleshooting; Indoor Unit: Error Of External Protection Device - Panasonic Urban Multi MX1R Series Service Manual

Troubleshooting

3.

Troubleshooting

3.1 Indoor Unit:
A0 A0 A0 A0
Remote Controller
Display
„ Actuation of external protection device
Supposed Causes
„ Improper field set
„ Defect of indoor unit PC board
Troubleshooting
344
Error of External Protection Device
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
External
protection device is
connected to terminals T1 and
T2 of the indoor unit
terminal block.
NO
ON/OFF
input from
outside (mode No. 12,
first code No. 1) has been
set to external protection
device input (second
code No. 03)
by remote
controller.
NO
YES
YES
Troubleshooting Urban Multi "MX1R, ME1R Series" Using R-407C
PACD011001C2
Actuation of external protection device
Change the second code No. to "01" or
"02"
Indoor unit PC board replacement
(VF029)