Daikin LX10F10A, Service Manual

Page: 44 / 126

2-19
2.5 Alarm Code
● Alarm grouping F--- ： Alarm that stops the unit
E--- ： Alarm that restarts the unit or continues the backup operation
T--- ： Alarm during PTI (Refer to paragraph 3.3.2.)
F5--- ： Alarm that stops the unit related to inverter
E5--- ： Alarm that restarts the unit related to inverter
Alarm
grade
Alarm Controller action at the generating of alarm
A
F ---
F5 --
Uncontrollable state makes the unit to stop.
The problem requires inspection/repair.
Wait for the environment of supplied power to recover.
B
E ---
E5 --
The unit stops, but resumes the operation when the conditions return to be met.
＊ E --- ： Restart after waiting for three minutes, then retry nine times.
Then retry after waiting for four hours.
＊ E5 -- ： Restart after waiting for three minutes, then retry infinitely.
(Some jump to F5--- after four or five times of retry.)
C E --- Unit continues operation by back-up operation.
D E --- Alarm display only. Unit continues operation.
Alarm LED and Alarm Code Display
Alarm Alarm LED (Red) Alarm code display
F Alarm Blinking
Press or key to display alarm code.
E Alarm
OFF
(E807, E304 are blinking)
●
F Alarm
Diagnosis
Alarm
code
Alarm content Controller action
001 F101 HPS activates within 30 sec. after starting operation UNIT stops
002 F109 LPT remains at -72kPa or less within 2 sec. after starting operation UNIT stops
003 F301 Temperature setting requirement UNIT stops
004 F401 Multiple sensor (SS, DSS, RS) failure in chilled mode UNIT stops
004 F405 Multiple sensor (HPT, DCHS1, DCHS2) failure UNIT stops
004 F407 Multiple sensor (HPT and LPT) failure UNIT stops
004 F409 Multiple sensor (LPT, DCHS1, DCHS2) failure UNIT stops
005 F701 Abnormal power voltage is detected within 2 sec. after power ON
(C/B ON) (
≧ 530V or ≦ 300V)
One of R, S or T phase missing after power on. (C/B ON)
UNIT stops
006 F703 Abnormal power phase UNIT stops
007 F705 One of R, S on T phase missing UNIT stops
008 F707 Fuse F2U blown (I/O board) UNIT stops
009 F809 E809 is generated 2 times (shortage of refrigerant) UNIT stops