2-25
004 F401 ・ F405 ・ F407 ・ F409
Alarm
Logic
and
Possible
Causes
F401 SS, DSS, RS and DRS all failed during chilled mode, or X16A (CPU board) is disconnected.
F405 Multiple sensor (HPT,DCHS1,DCHS2) all failure.
F407 Multiple sensor (HPT,LPT) all failure.
F409 Multiple sensor (LPT,DCHS1,DCHS2) all failure.
Trouble
Shooting
The unit cannot perform backup operation and cannot be controlled.
Replace each failed sensor.
Refer to
016
,
017
, and
019
.
Controller
Action
F401, F405, F407, F409 Unit stop
005 F701 ・ E701
Alarm
Logic
The power supply voltage is > AC565V or < AC329V.
Possible
Causes
The power supply voltage is high (> AC565V) or low (< AC329V).
Trouble
Shooting
Check if the actual power supply within range (AC329V〜AC565V).
Controller
Action
F701 Unit stop
E701 Restart after 3 minutes
02章19-44LX10F11B3TR16-02En.indd2-2502章19-44LX10F11B3TR16-02En.indd2-25 2016/02/0217:17:372016/02/0217:17:37