Daikin LX10F11B3 Service Manual page 54

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