English
20
U4
UF
Transmission error (indoor unit – outdoor unit)
Wrong wiring between indoor and outdoor units or malfunction of the PC board mounted
on the indoor and the outdoor units.
If UF is shown, the wiring between the indoor and outdoor units is not properly wired.
Therefore, immediately disconnect the power supply and correct the wiring. (The com-
pressor and the fan mounted on the outdoor unit may start operation independent of the
remote controller operation.)
U5
Transmission error (indoor unit – remote controller)
Transmission is improper between the indoor unit and the remote controller.
U8
Malfunction in transmission between main and sub remote controls.
(Malfunction in sub remote control.)
UA
Miss setting for multi system
Setting is wrong for selector switch of multi-system.
(see switch SS2 on the main unit’s PC board)
UC
Central control address overlapping
01_EN_3P156215-4C.fm Page 20 Saturday, May 14, 2005 9:17 AM
