NF BP4620, Instruction Manual

Page: 164 / 214

6.1 Error Messages
BP4620
6-3
6.1.2 Protective function related errors
Table 6-2 lists the error messages displayed when protective function related errors occur.
Error messages are displayed in the message display window upon detection in the case of a power
failure, or the next time the BP4620 is powered on in all other cases. If an error message appears,
press the [ENTER] or [CANCEL] key.
( Refer to “6.2 Protective Functions”.)
Table 6-2. Protective Function Related Errors
Error Message Protection Item Operation and Required Handling
Emergency shutdowned.
caused by:
OVERLOAD
Overload detection
anomaly
The message is displayed the next time the power is switched on.
Regardless of whether or not the output is off, the fact that
overload was detected is displayed.
Upon detection of this anomaly, contact NF Corporation or an
NF Corporation sales representative.
Emergency shutdowned.
caused by:
DCPS FAILURE
DCPS anomaly
The message is displayed the next time the power is switched on.
The message indicates that the fact that the DCPS output voltage
range exceeded the prescribed range was detected.
Upon detection of this anomaly, contact NF Corporation or an
NF Corporation sales representative.
Emergency shutdowned.
caused by:
OVER TEMPERATURE
Overheating anomaly
The message is displayed the next time the power is switched on.
This message indicates that overheating of the radiator was
detected.
Check if the air filter is clogged.
Emergency stop.
caused by:
POWER FAILURE
Power failure
The message is displayed upon detection of power failure.
It indicates that an instantaneous power interruption has been
detected.
Emergency shutdowned.
caused by:
BOOT FAILURE
Boot failure
The message is displayed the next time the power is switched on.
It indicates that the line monitoring circuit has not started up
normally.
Upon detection of this anomaly, contact NF Corporation or an
NF Corporation sales representative.
Emergency shutdowned.
caused by:
RESET FAILURE
Reset anomaly
The message is displayed the next time the power is switched on.
It indicates that the power-on reset circuit has not started up
normally.
Upon detection of this anomaly, contact NF Corporation or an
NF Corporation sales representative.
Emergency shutdowned.
caused by:
FRONT PANEL FAILURE
Operation panel
anomaly
The message is displayed the next time the power is switched on.
It indicates that an anomaly has been detected in the
communication data exchanged with the operation panel.
Upon detection of this anomaly, contact NF Corporation or an
NF Corporation sales representative.