System Malfunctions - Daikin SkyAir Service Manual

Troubleshooting by Remote Controller Display / LED Display
5.3

System Malfunctions

System Remote
Malfunction Controller
Display
U4
UF
or
UF
U5
U8
UA
UC
156
Location of Malfunction
Other PC Board
than PC
Outdoor Indoor
Board
Unit Unit
—
—
—
— —
Contents of Malfunction
Remote
Controller
— Transmission error (between
indoor and outdoor unit)
— Malfunction of transmission
(between indoor and outdoor unit)
or
Piping and wiring mismatch
or
Gas shortage
Transmission error (between
indoor and remote controller)
Transmission error between
"main" remote controller and
"sub" remote controller
— Excessive indoor units connected
to this system.
Centralized address setting error
SiBE28-804
Details of
Malfunction
(Reference
Page)
216
219
220
221
222
224
Troubleshooting