Fanuc Power Mate i-D/H Maintenance Manual

5. DIGITAL SERVO
B63175EN/03
376
#7
OVLAlarm1
#6
LV
#5
OVC
#4
HCA
#3
HVA
#2
DCA
#1
FBA
#0
OFA
DGN No. 200 :
OVL : Overload alarm
LV : Insufficient voltage alarm
OVC : Overcurrent alarm
HCA : Abnormal current alarm
HVA : Excessive voltage alarm
DCA : Regenerative discharge registance alarm
FBA : Disconnection alarm
OFA : Overflow alarm
#7
ALDAlarm2
#6 #5 #4
EXP
#3 #2 #1 #0
DGN No. 201
ALD EXP
Overload 0
Amplifier overheat
alarm
1
Motor overheat
Disconn
ection
1
0
Builtin pulse coder disconnection
(Hardware)
alarm
1
1
Separate type pulse coder
disconnection (Hardware)
0
0
Pulse coder disconnection (software)
#7
Alarm3
#6
CSA
#5
BLA
#4
PHA
#3
RCA
#2
BZA
#1
CKA
#0
SPH
DGN No. 202 :
CSA : Hardware of serial pulse coder is abnormal.
BLA : Battery voltage is in low (warning).
PHA : Serial pulse coder or feedback cable is abnormal.
Counting the feedback signal is in error.
RCA : Serial pulse coder is faulty.
Counting is in error.
If the RCA bit is set to 1 when both the FBA bit (bit 1 of alarm 1) and ALD
bit of alarm 2 are set to 1 and the EXP bit of alarm 2 (internal hardware
disconnection) is set to 1, a count miss alarm (CMAL) occurs in the α
pulse coder.
BZA : Battery voltage becomes 0.
Replace batteries and set the reference position.
CKA : Serial pulse coder is faulty.
Internal block has stopped.
SPH : Serial pulse coder or feedback cable is faulty.
Counting the feedback signal is in error.

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