08
Display
RIGHT END ALARM
Contents
Right H/W limit is operated in automatic operation.
Cause &
Action
1. Right H/W limit is normally active.
Eliminate it's cause
2. Contact logic is mismatched.
Change contact logic (Setup-27 "I7/RL").
3. Out of the set value of S/W limit.
Change the S/W limit values(Setup-42
“SEND-“) or review program.
4. The sensor is out of order.
Change the sensor or connect correctly.
09
Display
HOME OVER TIME
Contents
The allowed time (Setup-11 "HTIME") for home return is over.
Cause &
Action
1. The allowed time is too short.
Adjust the allowed time for home return.
2. Home speed (high or creep) is low.
Adjust the speed (high or creep).
3. Home & limit sensor are out of order. Change the sensor.
4. External home sensor is not selected. Set the Setup-25 "I4/HS" in 1.
5. Faulty parts in the servo amplifier.
Change the servo amplifier.
6. Mechanical defect.
Review mechanical conditions.
10
Display
STEP OVER ALARM
Contents
Step number is out of range (95).
Cause &
Action
M30 is omitted at the end of program.
Review program.
11
Display
OVER VOLTAGE ALM
Contents
Converter bus (DC-LINK) voltage exceeded (400V/450V).
Cause &
Action
1. Power supply voltage is high
Review the power supply.
2. Acc./dec. time is too small when
regenerative brake resistor is not installed
Increase the acc./dec. time.
3. Acc./dec. time is too small when
regenerative brake resistor is installed.
Increase the acc./dec. time.
Increase the regenerative brake capacity.
4. Wire breakage of built-in or optional
regenerative brake resistor.
Change regenerative brake resistor.
12
Display
OVER CURRENT ALM
Contents
Current is higher than the permissible current of servo amplifier.
Cause &
Action
1. Short occurred in servo amplifier
output phases U, V and W.
Correct the wiring.
2. Encoder faulty(U, V, W).
Connect correctly.
3. Ground fault occurred in servo
amplifier output phases U, V and W.
Correct the wiring.
4. Power switching device faulty.
Change the servo amplifier.
13
Display
LOW VOLTAGE ALM
Contents
Converter bus (DC-LINK) voltage dropped. (200V or less)
Cause &
Action
1. Power supply voltage is low
(160Vac or less)
Review the power supply.
2. Shortage of power supply capacity
Review the power supply.
3. Power failed instantaneously.
Review the power supply.
4. Faulty parts in the servo amplifier.
Change the servo amplifier.
14
Display
U-PH ADC. ALARM
Contents
U phase current sensor is out of order.
Cause &
Action
U phase hall current sensor faulty.
Change the servo amplifier.
15
Display
V-PH ADC. ALARM
Contents
V phase current sensor is out of order.
Cause &
Action
V phase hall current sensor faulty.
Change the servo amplifier.
Содержание Tango-B series
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