Daikin RMXS-L Series Service Manual page 148

Troubleshooting with LED
Error code indication in monitor mode
<Monitor mode>
Press the MODE (BS1) button and
enter the monitor mode.
<Selection of check item>
Press the SET (BS2) button and
select a check item according to the
LED pattern of No.14~16 and
No.20~22.
Refer to page 102 for check items.
<Confirmation of malfunction 1>
Press the RETURN (BS3) button
once to display the first digit of error
code.
<Confirmation of malfunction 2>
Press the SET (BS2) button once to
display the second digit of error
code.
<Confirmation of malfunction 3>
Press the SET (BS2) button once to
display the malfunction location.
<Confirmation of malfunction 4>
Press the SET (BS2) button once to
display the malfunction unit and the
malfunction location.
Press the RETURN (BS3) button
and return to the initial status of
monitor mode.
∗ If you become unsure of how to
proceed, press the MODE (BS1)
button and return to the setting
mode 1.
139
Outdoor unit PCB abnormality
Actuation of high pressure switch
Actuation of low pressure sensor
Compressor motor lock
Outdoor fan motor abnormality
Moving part of electronic expansion
valve (Y1E, Y3E) abnormality
Outdoor temperature thermistor (R1T)
abnormality
Discharge pipe temperature
abnormality
Refrigerant overcharged
Discharge pipe thermistor (R2T)
abnormality
Suction pipe thermistor (R3T, R5T)
abnormality
Outdoor heat exchanger thermistor
(R4T) abnormality
Outdoor liquid pipe thermistor (R7T)
abnormality
Subcooling heat exchanger gas pipe
thermistor (R6T) abnormality
High pressure sensor abnormality
Detail
Low pressure sensor abnormality
description
Outdoor unit PCB abnormality
on next
page.
Radiation fin temperature rise
Inverter compressor abnormality
Inverter current abnormality
Compressor start-up error
Contents of malfunction
Detection of DIII-Net
High pressure switch activated (S1PH)
Abnormal Pe
Detection of compressor lock
Detection of fan motor lock (M1F)
Detection of fan motor lock (M2F)
Y1E (main)
Y3E (subcooling)
Short or open circuit (R1T)
Abnormal Tdi
Refrigerant overcharge
Short or open circuit (R2T)
Short or open circuit (suction 1: R3T)
Short or open circuit (suction 2: R5T)
Short or open circuit (R4T)
Short or open circuit (R7T)
Short or open circuit (R6T)
Short or open circuit (S1NPH)
Short or open circuit (S1NPL)
Faulty IPM
Abnormal current sensor offset
Abnormal IGBT
Faulty current sensor
Abnormal SP-PAM overvoltage
Overheating (FINTH)
Inverter instantaneous overcurrent
Electronic thermal switch 1
Electronic thermal switch 2
Out-of-step
Speed down after startup
Lightening detection
Stall prevention (Current increasing)
Stall prevention (Faulty start up)
Abnormal waveform in startup
Out-of-step
SiUS181305E
Error
code
E1
E3
E4
E5
E7
E9
H9
F3
F6
J3
J5
J6
J7
J9
JA
JC
L1
L4
L5
L8
L9
Troubleshooting