Alarm List
Alarm Number (4000 to 4999)
Alarm List-506
Short circuit or ground
fault
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check a short circuit or ground fault has
not occurred in external 24V power line.
Rated capacity over Check the capacity of external 24V power supply
Connection failure (1)Reset the alarm.
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
∙ No.3,4 of CN806 in the YFL unit.
Unit failure Replace the External 24V power supply unit.
Parts failure Replace the circuit protector.
Unit failure (YFL) (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YFL unit.
other If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
4163 CIRCUIT TRIPPED
(QFVOUT)
Sub Code: Signifies the YFL
unit number in which the
alarm occurred.
Incorrect setting Check if the circuit protector is turned on.
Short circuit or ground
fault
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again, check a short circuit or ground fault has
not occurred in external 24V power line.
Rated capacity over Check the capacity of external 24V power supply
Connection failure (1)Reset the alarm.
(2)If the alarm occurs again, check the connection and inserting state
of the following cables and connectors.
∙ No.5,6 of CN806 in the YFL unit.
Unit failure Replace the External 24V power supply unit.
Parts failure Replace the circuit protector.
Unit failure (YFL) (1)Turn the power OFF then back ON.
(2)If the alarm occurs again, replace the YFL unit.
Alarm
Number
Alarm Name
Sub
Code
Meaning Cause Remedy
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