Fanuc Power Mate i-D/H Operation Maintenance Handbook

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336
No. RemedyDescriptionMeaning
Alarm
No.
Message
7n33 SPN_n_ :
SHORT-
AGE
POWER
CHARGE
AL–33 Insufficient
DC link sec-
tion charging
Detects insuffi-
cient charging
of direct current
power supply
voltage in pow-
er circuit sec-
tion when mag-
netic contactor
in amplifier is
turned on (such
as open phase
and defectifve
charging resis-
tor).
Remove
cause, then
reset alarm.
7n34 SPN_n_ :
PARAME-
TER
SETTING
ERROR
AL–34 Parameter
data setting
beyond allow-
able range of
values
Detects param-
eter data set
beyond allow-
able range of
values.
Set correct
data.
7n35 SPN_n_ :
EX
SETTING
GEAR
RATIO
AL–35 Excessive
gear ratio
data setting
Detects gear
ratio data set
beyond allow-
able range of
values.
Set correct
data.
7n36 SPN_n_ :
OVER-
FLOW
ERROR
COUNTER
AL–36 Error counter
overflow
Detects error
counter over-
flow.
Correct
cause, then
reset alarm.
7n37 SPN_n_ :
SPEED
DETECT
PAR.
ERROR
AL–37 Speed detec-
tor parameter
setting error
Detects incor-
rect setting of
parameter for
number of
speed detec-
tion pulses.
Set correct
data.
7n41 SPN_n_ :
1–ROT
POS–COD-
ER ERROR
AL–41 Alarm for indi-
cating failure
in detecting
position coder
1–rotaion sig-
nal.
Detects failure
in detecting
position coder
1–rotation sig-
nal.
Make signal
adjustment
for signal
conversion
circuit.
Check cable
shield status.
7n42 SPN_n_ :
NO 1–ROT.
POS–COD-
ER
DETECT
AL–42 Alarm for indi-
cating posi-
tion coder
1–rotation sig-
nal not de-
tected
Detects that
position coder
1–rotation sig-
nal has not is-
sued.
Make 1–rota-
tion signal
adjustment
for signal
conversion
circuit.
7n43 SPN_n_ :
DISCON.
PC FOR
DIF. SP.
MOD.
AL–43 Alarm for indi-
cating discon-
nection of
position coder
signal for dif-
ferential
speed mode
Detects that
main spindle
position coder
signal used for
differential
speed mode is
not connected
yet (or is dis-
connected).
Check that
main spindle
position cod-
er signal is
connected to
connector
CN12.

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