5.5 Alarm Detection
166
YASKAWA ELECTRIC
TOEP C710687 02B FSDrive-MV1000 Instructions
Digital Operator Display
Minor Fault Name
oH
IGBT Overheating
A thermistor temperature of the value set for L8-02 or higher has been detected.
Cause
Possible Solution
Minor Fault Output
H2-
=10
Cooling fan fault possibly due to inadequate
airflow
If the cooling airflow is inadequate, replace the cooling fan.
Yes
The intake filter is soiled.
Clean the intake filter.
The heatsink of the Power Cell is soiled.
Clean the heatsink of the Power Cell.
Fault of the cell control board (CCB),
thermistor, or Power Cell
Replace the CCB, thermistor, or Power Cell.
Parameter setting error
Check the parameter settings.
Digital Operator Display
Minor Fault Name
oH2
Drive Overheat Warning
“Drive Overheat Warning” was input to a contact input terminal, 1 through 16
(H1-
= B).
Cause
Possible Solutions
Minor Fault Output
H2-
=10
An external device triggered an overheat
warning in the drive.
• Search for the device that tripped the overheat warning.
• Remove the cause of the problem.
Yes
Digital Operator Display
Minor Fault Name
oL1
Motor Overload
The electronic motor overload protection tripped.
Cause
Possible Solutions
Minor Fault Output
H2-
=10
Load is too heavy.
Reduce the load.
Yes
Cycle times are too short during acceleration
and deceleration.
Increase the acceleration and deceleration times
(C1-01 through C1-08).
A general purpose motor is driven below the
rated speed with too high load.
• Reduce the load.
• Increase the speed.
• If the motor is supposed to operate at low speeds, either increase the
motor capacity or use a motor specifically designed to operate in the
desired speed range.
The output voltage is too high.
Adjust the user-set V/f patterns (E1-04 through E1-10) by reducing E1-08
and E1-10. Do not lower E1-08 and E1-10 too much, as this will reduce
load tolerance at low speeds.
The wrong motor rated current is set to E2-01.
• Check the motor rated current.
• Enter the value written on the motor nameplate to parameter E2-01.
The base frequency is set incorrectly.
• Check the rated frequency indicated on the motor nameplate.
• Enter the rated frequency to E1-06 (Base Frequency).
The electrical thermal protection characteristics
and motor overload characteristics do not
match.
• Check the motor characteristics.
• Correct the type of motor protection that has been selected (L1-01).
• Install an external thermal relay.
The electrical thermal relay is operating at the
wrong level.
• Check the current rating listed on the motor nameplate.
• Check the value set for the motor rated current (E2-01).
Speed Search related parameters are set
incorrectly.
• Check values set to Speed Search related parameters.
• Adjust the Speed Search current and Speed Search deceleration times
(b3-02 and b3-03 respectively).
• After Auto-Tuning, set b3-24 to 1 to enable Speed Estimation Speed
Search.
Output current fluctuation due to power supply
loss
Check the power supply for phase loss.
Содержание FSDrive-MV1000 Series
Страница 8: ...8 YASKAWA ELECTRIC TOEP C710687 02B FSDrive MV1000 Instructions...
Страница 38: ...1 4 Component Names and Configurations 38 YASKAWA ELECTRIC TOEP C710687 02B FSDrive MV1000 Instructions...
Страница 106: ...3 9 Wiring Check 106 YASKAWA ELECTRIC TOEP C710687 02B FSDrive MV1000 Instructions...
Страница 136: ...4 9 Checking and Saving Parameter Default Values 136 YASKAWA ELECTRIC TOEP C710687 02B FSDrive MV1000 Instructions...
Страница 210: ...6 7 Spare Parts 210 YASKAWA ELECTRIC TOEP C710687 02B FSDrive MV1000 Instructions...
Страница 222: ...B 1 European Standards 222 YASKAWA ELECTRIC TOEP C710687 02B FSDrive MV1000 Instructions...