YASKAWA NX100 - Page 127

8.3 Alarm Message List
8-23
1209 EXTERNAL WDT
BROKEN
(NIF01)
0000_
00
∗∗
Defective watchdog timer circuit
that checks the safety circuit
0000_0001: 1 signal (PLD1) error
0000_0010: 2 signal (PLD1) error
Replace the NIF circuit board.
1210 SERIAL COM-
MUNICATION
TOGGLE CHECK
ERROR (NIF01)
0000_
00
∗∗
Checking error of toggle that
switches double checking safety
circuits in cycle of 1 ms
0000_0001: 1 signal (PLD1) error
0000_0010: 2 signal (PLD1) error
Replace the NIF circuit board.
1211
INPUT
COMPARISON
ERROR
(NIF)
****_
****_
****_
****_
The signal does not have a match
signal as a result the mutual check
of a dual signal.
0000_0000_0000_0001: Panel sig-
nal emergency stop signal
(PBESP) unmatched error
0000_0000_0000_0010: Program-
ming pendant emergency stop sig-
nal (PPESP) unmatched error
0000_0000_0000_0100: External
emergency stop signal (EXESP)
unmatched error
0000_0000_0000_1000: System
CPU error (ERRCPU) unmatched
error
0000_0000_0001_0000: Servo ON
condition signal (SYSRDY)
unmatched error
0000_0000_0010_0000: Safety
plug signal (SAF) unmatched error
0000_0000_0100_0000: Servo ON
signal (SVON) unmatched error
0000_0000_1000_0000: External
servo ON signal (EXSVON)
unmatched error
0000_0001_0000_0000: Unused
0000_0010_0000_0000: Mainte-
nance signal (MAINTE) unmatched
error
0000_0100_0000_0001: Enable
switch signal (DSW) unmatched
error
0000_1000_0000_0001: Unused
0001_0000_0000_0000: External
enable switch (EXDSW)
unmatched error
0010_0000_0000_0000: Unused
0100_0000_0000_0000: Safety
speed mode selection (SSP)
unmatched error
1000_0000_0000_0000: Full speed
test (FST) unmatched error
Check the signal.
1212 PLD MUTUAL
MONITOR
ERROR
(NIF01)
0000_
00
∗∗
The input comparison error
occurred.
0000_0001: 1 signal (PLD1) error
0000_0010: 2 signal (PLD2) error
Check the one of PPESP, PBESP, EXESP,
and SAF signals.
1213 MUTUAL WDT
ERROR
(NIF01)
0000_
00
∗∗
The input comparison error
occurred.
0000_0001: 1 signal (PLD1) error
0000_0010: 2 signal (PLD2) error
Check the one of PPESP, PBESP, EXESP,
and SAF signals.
Alarm Message List
Alarm
Number
Message
Sub
Code
Cause Remedy