Daikin Modular L Smart Service Manual page 22

ESIE19-06 | Part 2. Troubleshooting
Error code
Main Sub
C6 35 flashing
C6 36 flashing
C6 37 flashing
CH - on
CJ - on
60 - flashing
60 - on
64 01 on
64 02 on
65 01 on
65 02 on
65 03 flashing
6A - on
6A - flashing
U5 - flashing
U5 - flashing
U8 - flashing
UA - flashing
UC - on
UE - flashing
UE - on
Page 22
Modular L Smart
Unit
Error level
No.
flashing flashing error ①
(reset remote control)
flashing flashing error ①
(reset remote control)
flashing flashing error ①
(reset remote control)
off off warning
off off warning
flashing flashing error ②
(recover automati-
cally)
off flashing alert
off flashing alert
off flashing alert
off flashing alert
off flashing alert
flashing flashing error ①
(reset remote control)
off flashing alert
flashing flashing error ②
(recover automati-
cally)
flashing flashing error ②
(recover automati-
cally)
flashing flashing error ②
(recover automati-
cally)
flashing off error ②
(recover automati-
cally)
flashing off error ②
(recover automati-
cally)
off off warning
flashing flashing error ②
(recover automati-
cally)
off flashing alert
2.2. Error based troubleshooting
Operation state Cause of error
stop fan operation Exhaust air FAN ② (address 4)
(cause of fault) EEPROM read abnormality
stop fan operation Exhaust air FAN ② (address 4)
(cause of fault) thermistor fault abnormality
stop fan operation Exhaust air FAN ② (address 4)
(cause of fault) fin temperature abnormality
keep running CO sensor warning
2
keep running thermistor fault "BRC..."
user interface
stop operation external error input
keep running external error input
keep running air return thermistor alert
keep running out of operation range alarm due
to air return thermistor
keep running outdoor air intake thermistor alert
keep running out of operation range alarm due
to outdoor air thermistor
stop operation low outdoor temperature opera-
tion alarm during filter contamina-
tion function (field setting
29-0-04/05)
keep running damper alert
stop operation damper error
stop operation user interface transmission error
missing
stop operation user interface control communica-
tion error
stop operation transmission abnormality between
main/slave liquid crystal remote
control
stop operation remote control combination failure
keep running duplication of central group
address warning
stop operation central control communication
error
keep running central control transmission alert
21/01/20 | Version 1.1