2001/07/18 T.Inagaki
A-78519E
FANUC Series 16i/18i/21i –TB/MB
αi servo/spindle system
Drawing No.
Page
4/11
1.2 Alarm messages of αi servo motor
Outline
The servo alarms for the αi series motor are added and corrected.
Alarm and messages
(New alarm messages)
Number
Message Description
600 n AXIS:INV. DC LINK OVER
CURRENT
The DC link current is too high.
601 n AXIS:
FAILURE
The heat sink cooling fan is defective.
602 n AXIS:INV. OVERHEAT The servo amplifier is overheated.
603 n AXIS:INV. IPM ALARM(OH)
The intelligent power module (IPM) has
detected an overheat alarm condition.
604 n AXIS: AMP.
COMMUNICATION ERROR
Communication between the SVM and
PSM is unexpected state.
605 n AXIS: CNV. EX.
DISCHARGE POW.
PSMR :
The motor regenerative power is
too high.
606 n AXIS:CNV. RADIATOR
FAN FAILURE
PSM :
The fan for cooling the external
heat sink is defective.
PSMR : The fan for cooling the external
heat sink is defective.
607 n AXIS: CNV. SINGLE
PHASE FAILURE
PSM :
One of the input power phases is
unexpected state.
PSMR : One of the input power phases
is unexpected state.
(Modified alrm messages)
Number
Message Description
432 n AXIS:CNV. LOW VOLT
CONTROL
PSM : The control power supply voltage
has dropped.
PSMR : The control power supply
voltage has dropped.
β SVU : The control power supply
voltage has dropped.
439 n AXIS: CNV. OVER VOLT
DC LINK
PSM : The DC link voltage is too high.
PSMR : The DC link voltage is too high.
β SVU : The DC link voltage is too high.
442 n AXIS: CNV. CHARGE
FAILURE
PSM : The spare charge circuit for the
DC link is unexpected state.
PSMR :
The spare charge circuit for the
DC link is unexpected state.