Daikin E Series User Manual

SiAU18-715 Troubleshooting for SkyAir Indoor Unit
Troubleshooting 333
Troubleshooting
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO
If “A3” is detected by a PC board
which is not mounted with X15A,
the PC board is defective.
Short-circuit connector
connection
Short-circuit connector
replacement
Indoor unit PCB
replacement
Connect drain pump
Malfuncton of drain system
Froat switch connection
Float switch replacement
Indoor unit PCB
replacement
Drain pump replacement
Indoor unit PCB
replacement
(Q0532)
Continuity check of short-circuit
connector
Remove the float switch from
X15A, short-circuit X15A, and
restart operation.
Set to“emergency” and check
the voltage of X25A.
Is there continuity?
Is drain
raising mechanism
connected?
Is a drain
pump connected to the
indoor unit PCB?
Does the
drain pump turn after
restarting operation?
220-240 VAC?
Is the
drainwater level
abnormally high?
Is the float
switch connected to
X15A?
Does display
of malfunction “A3”
appear?
Is the short-
circuit connector
connected to X15A on
the indoor unit
PCB?
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.

Daikin E Series Specifications

General

Brand	Daikin
Model	E Series
Category	Air Conditioner
Language	English