Daikin RY24PEV1K Service Manual page 97

SiK401004_A
Malfunction of
E6
communications
Malfunction of drain
E9
water level
Malfunction of indoor
F0 room temperature
thermistor at air intake
Malfunction of
F1 evaporator temperature
Malfunction of
F2 condenser temperature
89
Communication
Liquid water level
thermistor
thermistor
Check the communication state between the
indoor unit PCB and outdoor unit PCB by
micro-computer. Abnormality is detected
when the correct communication is not
conducted in 30se. When the malfunction of
communication occurs, the system will be
shut down the screen will display the
malfunction code (E6).The reset for the
communication failure is automatic reset.
Malfunction of darin water level is detected
when the liquid water level switch opens for
more than 8sec. the screen will display the
malfunction code (E9). The reset for fill water
protection is manual reset.
Malfunction of indoor room temperature
thermistor at air intake is detected when a short
circuit or an open circuit in the indoor room
temperature thermistor for more than 5 sec.
The indoor room temperature value will be set
Indoor room as 24°C forcibly. The reset for the malfunction
thermistor of indoor room temperature thermistor is
automatic reset. If the malfunction of indoor
room temperature thermistor will be reset in air
supply mode, the malfunction code (F0) will
disappear on the screen and the indoor unit fan
will run normally.
Malfunction of evaporator temperature
thermistor is detected when a short circuit or an
open circuit in the evaporator temperature
thermistor for more than 5 sec. The system will
be shut down in cooling operation and
Evaporator dehumidifying operation. The screen will
temperature display the malfunction code (F1) on the
thermistor screen. The reset for the malfunction of
evaporator temperature thermistor is automatic
reset. In air supply mode, the screen will
display the malfunction code (F1) on the
screen. However, the indoor unit fan will run
normally in this case.
Malfunction of condenser temperature
thermistor is detected when a short circuit or an
open circuit in the condenser temperature
thermistor for more than 5 sec. The system will
be shut down in cooling operation and
Condenser dehumidifying operation. The screen will
temperature display the malfunction code (F2) on the
thermistor screen. The reset for the malfunction of
condenser temperature thermistor is automatic
reset. In air supply mode, the screen will
display the malfunction code (F2) on the
screen. However, the indoor unit fan will run
normally in this case.
MAINTENANCE