Uf" Transmission System Malfunction (Between Indoor And Outdoor Units) - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

Diagnosis by Remote Controller
4.45 "UF" Transmission System Malfunction (between Indoor
and Outdoor Units)
UF
Remote
Controller
Display
Applicable RZQ
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
172
Check transmission between the indoor and outdoor units with a microcomputer when the
power is supplied.
When wiring connecting the indoor and outdoor units is not proper.
Poor wiring connecting the indoor and outdoor units
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
The phases of the wire
connecting the indoor and
outdoor unites are inconsistent.
Connect the wiring
connecting the indoor and
outdoor units properly.
SiBE26-701
Troubleshooting