YASKAWA DX200 Maintenance Manual page 716

Alarm Name
Alarm Sub
Number
Code
8
4152 TIMING BELT BLOWN 1
2
Meaning Cause
Parts failure
other
Sub Code 1to 8: Signifies the Incorrect setting
EAXA/EAXB board No. in
which the alarm occurred
Short circuit or ground
fault
Unit failure
Parts failure
other
The EAXA21 / EAXB21 board Manipulator timing belt is
# 1 generates an alarm. blown.
other
The EAXA21 / EAXB21 board Manipulator timing belt is
# 2 generates an alarm. blown.
other
Remedy
Replace the circuit protector.
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
(1)Check the following settings.
∙
Turn ON the circuit protector.
(1)Turn the power OFF then back ON.
(2)If the alarm occurs again even after turning ON the circuit protector,
check encoder power line if there is a ground fault or short circuit.
Replace the motor or encoder to which the power is supplied.
Replace the circuit protector.
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
Move the manipulator in teach mode to the position where there is no
torque on the driving belt.
(1) Check the timing belt tension.
(2) Check the wiring between manipulator and the machine safety unit
(YSF22 board).
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).
Move the manipulator in teach mode to the position where there is no
torque on the driving belt.
(1) Check the timing belt tension.
(2) Check the wiring between manipulator and the machine safety unit
(YSF22 board).
If the alarm occurs again, save the CMOS.BIN in maintenance mode,
and then contact your Yaskawa representative about occurrence
status (operating procedure).