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025 E707
Alarm
Logic
The power supply shut down temporarily during operation or the power supply phase waveform
was abnormal.
Possible
Causes
Power supply failure or abnormal power supply phase waveform
Trouble
Shooting
Check the power supply equipment and provide the correct power supply (power supply phase
waveform).
Unit stops once and restarts after 3 minutes standby. (Retry 9 times)
Continue operation if correct power supply is provided in that time.
Controller
Action
In the case of a temporary power supply shut down) E707 Restart after 3 minutes of standby ×
9 retries. Then, restart after 4 hours of standby.
In the case of an abnormal power supply phase waveform) E707 is generated 2 times → F703
unit stop.
026 E801
Alarm
Logic
CPU onboard battery failure (E307 and E311 are also generated.)
Possible
Causes
CPU onboard battery is drained due to salt water or moisture
Trouble
Shooting
〈Permanent measures〉
Replace CPU board (Lithium battery installed).
〈Emergency measures〉
The unit will operate. However, controller time starts from incorrect time whenever power
OFF/ON. therefore, trip data may not shown correctly.
Controller
Action
E801 Alarm display only
02章19-44LX10F11B3TR16-02En.indd2-3702章19-44LX10F11B3TR16-02En.indd2-37 2016/02/0217:17:412016/02/0217:17:41
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