System Is Not Set Yet - Daikin E-Series Service Manual

Troubleshooting for Outdoor Unit
7.36

System is not Set yet

UF
Remote
Controller
Display
Applicable All indoor unit models
Models All outdoor unit models
Method of On check operation, the number of indoor units in terms of transmission is not corresponding to
that of indoor units that have made changes in temperature.
Malfunction
Detection
Malfunction The malfunction is determined as soon as the abnormality aforementioned is detected through
checking the system for any erroneous connection of units on the check operation.
Decision
Conditions
Supposed
Causes
Troubleshooting
Note: Wiring check operation may not be successful if carried out after the outdoor unit has been off
for more than 12 hours, or if it is not carried out after running all connected indoor units in the
fan mode for at least an hour.
400
Improper connection of transmission wiring between indoor-outdoor units and outdoor-
outdoor units
Failure to execute check operation
Defect of indoor unit PC board
Stop valve is left in closed
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Are the stop
valves openned?
YES
Is the check
operation carried out?
YES
Is
indoor - outdoor
and outdoor - outdoor unit
transmission wiring
normal?
YES
NO
Is
indoor -outdoor
NO
and outdoor- outdoor unit
transmission wiring
normal?
NO
NO
SiAU18-715
Open stop valve.
YES
Replace indoor unit PC
board.
After fixing incorrect wiring,
push and hold the RESET
button on the master
outdoor unit PC board for 5
seconds.
∗ The unit will not run for up
to 12 minutes.
Wiring check operation
may not have been carried
out successfully.
(Q0585)
Troubleshooting