
2. ALARM NUMBERS AND
B-65165E/02 TROUBLESHOOTING BRIEF DESCRIPTIONS
- 99 -
2.1 FOR SERIES 16i, 18i, 20i, 21i, AND Power Mate i
Servo alarm
Alarm
No.
SVM SPM PSM Description Remarks
360 Pulse coder checksum error (built-in) 3.3.7 (1)
361 Pulse coder phase error (built-in) 3.3.7 (1)
363 Clock error (built-in) 3.3.7 (1)
364 Soft phase alarm (built-in) 3.3.7 (1)
365 LED error (built-in) 3.3.7 (1)
366 Pulse error (built-in) 3.3.7 (1)
367 Count error (built-in) 3.3.7 (1)
368 Serial data error (built-in) 3.3.7 (3)
369 Data transfer error (built-in) 3.3.7 (3)
380 LED error (separate) 3.3.7 (2)
381 Pulse coder phase error (separate) 3.3.7 (2)
382 Count error (separate) 3.3.7 (2)
383 Pulse error (separate) 3.3.7 (2)
384 Soft phase alarm (separate) 3.3.7 (2)
385 Serial data error (separate) 3.3.7 (3)
386 Data transfer error (separate) 3.3.7 (3)
417 Invalid parameter 3.3.6
421 Excessive semi-full error 3.3.8
430 Servomotor overheat 3.3.5
431 03 Converter: main circuit overload 3.1
432 06 Converter: control undervoltage/open
phase
3.1
433 04 Converter: DC link undervoltage 3.1
434 2 Inverter: control power supply
undervoltage
3.2
435 5 Inverter: DC link undervoltage 3.2
436 Soft thermal (OVC) 3.3.3
437 01 Converter: input circuit overcurrent 3.1
438 8
9
A
b
C
d
E
Inverter: current alarm (L axis)
(M axis)
(N axis)
(L and M axes)
(M and N axes)
(L and N axes)
(L, M, and N axes)
3.2
439 07 Converter: DC link overvoltage 3.1
440 08 Converter excessive deceleration power 3.1