Daikin SkyAir RZR-P Series Service Manual page 119

SiUS281117
Troubleshooting
Note: If "
112
Be sure to turn off the power switch before connecting or disconnecting
Caution
connectors, or parts may be damaged.
Is the drain
pump mechanism
connected?
YES
Is a drain pump
connected to the indoor
unit PCB?
YES
Does
the drain pump
work after restarting
operation?
NO
Set to "emergency" and check
the voltage of the connector to
which the drain pump is
connected.
220 ( ± 10%) VAC?
NO
A3
" is detected by a PCB which is not mounted with X15A, the PCB is defective.
Is the short circuit
NO
connector connected to
the indoor unit
PCB?
YES
Check
the continuity of
short circuit connector
there continuity?
YES
NO
YES Is the drain water
level abnormally
high?
NO
Is the float
switch connected to the
indoor unit PCB?
YES
Remove the float switch and
short circuit, then restart
operation.
Error is
displayed again.
YES
YES
Troubleshooting by Remote Controller
NO
Short circuit connector
connection
NO
. Replace the short circuit
Is
connector.
Replace the indoor unit
PCB.
Connect the drain pump
YES
Drain system abnormality
NO
Connect the float switch.
NO
Replace the float switch.
Replace the indoor unit PCB.
Replace the drain pump.
Replace the indoor unit
PCB
Service Diagnosis