Remote Controller Display Malfunction And Contents - Daikin RY24PEV1K Service Manual

SiGR401004_A
1. Remote controller display malfunction and
contents
Malfunction
Trouble Case
Code
Actuation of High
E1
pressure switch
Indoor anti-freezing
E2
Actuation of low
E3
pressure switch
Abnormal discharge
E4
temperature
E5 Compressor overheat
MAINTENANCE
Origin of Trouble
High pressure
Protection
Low pressure
Signal
Abnormality is detected when the contact of
the high pressure switch opens for 3 sec. The
system will be shut down. Only On/Off button is
switch acceptable. But the other buttons are not
acceptable. This fault cannot be recovered
automatically.
When defrosting operation and dehumidifying
operation have been performed a period of
time, in the case of detecting the evaporator
Evaporator temperature less than -2°C by the evaporator
temperature temperature thermistor, the compressor and
thermistor of outdoor unit fan will stop. In the case of the
indoor unit evaporator temperature 10°C or more, the
alarm displays malfunction code on the screen
and the compressor will be stopped for 3 mins
and then the system will operate.
When the unit is running or standby (the
compressor has been operated for more than
3mins), the low pressure switch opens for more
switch
than 30sec and the screen will display
malfunction code.
After the startup of compressor, the discharge
temperature is higher than 130°C for more than
30sec, malfunction code (E4) will be displayed
on the screen and the system will be shut
Discharge down. After stopping the compressor for 3
temperature mins, if the discharge temperature thermistor
thermistor detects that the discharge temperature is lower
than 90°C for more than 5 sec, the compressor
will re-start. The malfunction will be determined
according to the retry 3 times. The malfunction
will be not cancelled automatically.
After the startup of the compressor, if the
overload switch opens for more than 3 sec, the
malfunction of the overheat for the compressor
will be displayed on the screen. After the
compressor has been stopped for 3 mins, if the
malfunction has been recovered, the
compressor will re-start. When overheat
Compressor
activates 3 times within 30mins, the
malfunction of overheat will be determined
according to the retry 3 times. The reset for the
malfunction of overheat is manual reset.
Therefore, the malfunction of overheat cannot
be recovered automatically. Buzzer will sound.
Press On/Off button to recover.
Measure
88