Fanuc Power Mate i-D/H Operator Manual

B–63174EN/03
G. ALARM LIST
APPENDIX
613
No. RemedyDescriptionMeaning
Alarm
No.
Message
7n16 SPN_n_ : RAM FAULT AL–16 RAM ab-
normality
Detects abnormality in RAM
for external data. This check
is made only when power is
turned on.
Remove cause, then reset
alarm.
7n18 SPN_n_ : SUMCHECK
ERROR PGM
DATA
AL–18 Program ROM
sum check er-
ror
Detects program ROM data
error.This check is made only
when power is turned on.
Remove cause, then reset
alarm.
7n19 SPN_n_ : EX OFFSET
CURRENT U
AL–19 Excessive U
phase current
detection cir-
cuit offset
Detects excessive U phase
current detection ciucuit off-
set.
This check is made only
when power is turned on.
Remove cause, then reset
alarm.
7n20 SPN_n_ : EX OFFSET
CURRENT V
AL–20 Excessive V
phase current
detection cir-
cuit offset
Detects excessive V phase
current detection circuit offset.
This check is made only
when power is turned on.
Remove cause, then reset
alarm.
7n24 SPN_n_ : SERIAL
TRANSFER
ERROR
AL–24 Serial transfer
data error
Detects serial transfer data
error (such as NC power sup-
ply turned off, etc.)
Remove cause, then reset
alarm.
7n25 SPN_n_ : SERIAL
TRANSFER
STOP
AL–25 Serial data
transfer
stopped
Detects that serial data trans-
fer has stopped.
Remove cause, then reset
alarm.
7n27 SPN_n_ : DISCONNECT
POS–CODER
AL–27 Position coder
signal discon-
nection
Detects abnormality in posi-
tion coder signal (such as un-
connected cable and adjust-
ment error).
Remove cause, then reset
alarm.
7n29 SPN_n_ : SHORTTIME
OVERLOAD
AL–29 Short–time
overload
Detects that overload has
been continuously applied for
some period of time (such as
restraining motor shaft in
positioning).
Remove cause, then reset
alarm.
7n30 SPN_n_ : OVERCURRE
NT POW
CIRCUIT
AL–30 Input circuit
overcurrent
Detects overcurrent flowing in
input circuit.
Remove cause, then reset
alarm.
7n31 SPN_n_ : MOTOR LOCK
OR V–SIG LOS
AL–31 Speed detec-
tion signal dis-
connection
motor restraint
alarm or motor
is clamped.
Detects that motor cannot ro-
tate at specified speed or it is
detected that the motor is
clamped. (but rotates at very
slow speed or has stopped).
(This includes checking of
speed detection signal cable.)
Remove cause, then reset
alarm.
7n32 SPN_n_ : RAM FAULT
SERIAL LSI
AL–32 Abnormality in
RAM inside
the LSI used
for serial data
transfer. This
check is made
only when
power is
turned on.
Detects abnormality in RAM
inside the LSI used for serial
data transfer. This check is
made only when power is
turned on.
Remove cause, then reset
alarm.

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