Fanuc Power Mate i-D/H Maintenance Manual

APPENDIXA. ALARM LIST
B63175EN/03
498
No. RemedyDescriptionMeaning
Alarm
No.
Message
7n33 SPN_n_ : SHORTAGE
POWER
CHARGE
AL33 Insufficient DC
link section
charging
Detects insufficient charging of
direct current power supply
voltage in power circuit section
when magnetic contactor in
amplifier is turned on (such as
open phase and defectifve
charging resistor).
Remove cause, then reset
alarm.
7n34 SPN_n_ : PARAMETER
SETTING ER-
ROR
AL34 Parameter
data setting
beyond
allowable
range of values
Detects parameter data set
beyond allowable range of
values.
Set correct data.
7n35 SPN_n_ : EX SETTING
GEAR RATIO
AL35 Excessive
gear ratio data
setting
Detects gear ratio data set
beyond allowable range of
values.
Set correct data.
7n36 SPN_n_ : OVERFLOW
ERROR
COUNTER
AL36 Error counter
overflow
Detects error counter overflow. Correct cause, then reset
alarm.
7n37 SPN_n_ : SPEED DE-
TECT PAR.
ERROR
AL37 Speed
detector
parameter
setting error
Detects incorrect setting of
parameter for number of
speed detection pulses.
Set correct data.
7n41 SPN_n_ : 1ROT POS
CODER ER-
ROR
AL41 Alarm for
indicating
failure in
detecting
position coder
1rotaion
signal.
Detects failure in detecting
position coder 1rotation
signal.
Make signal adjustment for
signal conversion circuit.
Check cable shield status.
7n42 SPN_n_ : NO 1ROT.
POSCODER
DETECT
AL42 Alarm for
indicating
position coder
1rotation
signal not
detected
Detects that position coder
1rotation signal has not
issued.
Make 1rotation signal
adjustment for signal
conversion circuit.
7n43 SPN_n_ : DISCON. PC
FOR DIF. SP.
MOD.
AL43 Alarm for
indicating
disconnection
of position
coder signal for
differential
speed mode
Detects that main spindle
position coder signal used for
differential speed mode is not
connected yet (or is
disconnected).
Check that main spindle
position coder signal is
connected to connector
CN12.
7n44 SPN_n_ : CONTROL
CIRCUIT(AD)
ERROR
AL44

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