TOSHIBA

Troubleshooting

If the drive faults, the following questions may help to pinpoint the reason for the trip:

1.Does the drive trip when accelerating, running, decelerating, or when not running ?

2.Can the drive make it to commanded frequency ?

3.Does the drive trip without the motor attached ?

4.Does drive trip with an unloaded motor ?

Drive data at the time of trip is saved in the monitor and can be read until the trip is cleared. Before

clearing the trip, make a note of this information. A history of past faults can be viewed by pressing the MON button and then the down arrow until PAST FAULTs are displayed. Some trips are the result of

improper programming; resetting the drive to factory settings may be a solution (see Item 280, STANDARD SETTING MODE SELECTION).

How to clear a fault

1.Cycling power

2.Pressing the STOP/CLEAR button twice

3.Closing "RES"-"CC" on the terminal strip (with default drive programming).

If Item 172, FAULT TRIP EEPROM SAVE ENABLE is set to "1", the drive will power up with the fault display, but the fault monitor and any fault contacts will be reset. On OVERLOAD trips, reset can occur only after a cooling time; see explanation for Item 161, OVERLOAD SELECTION. No cooling time for reset is required when power is cycled.

RETRY

See Items 153, NUMBER OF RETRY ATTEMPTS and Item 154, TIME BETWEEN RETRY ATTEMPTS to program drive to automatically attempt to reset faults. Drive will display ATTEMPTING TO RESTART during retries. See page 9-12 for a list of faults to retry. Retry will not function if Item 172, FAULT TRIP EEPROM SAVE ENABLE is set to "1" (on).

The keypad, control board (with phone jack), and terminal strip board are common to all drive ratings. If a board or keypad is suspect, exchange with a known good board/keypad to verify.

Drive Fault Displays and Explanations

OVERCURRENT (ACCEL) or DC OVERCURRENT (ACC)

Cause: Drive current exceeded 215% of its rated FLA (190% above 100 HP).

Comments: Check for phase-phase short. ACCELERATION TIME may be too small. VOLTAGE BOOST may be too high. Is motor/machine jammed? Is mechanical brake engaged while drive is running? If drive is starting into a rotating motor, see Item 157, AUTO-RESTART (MOTOR SPEED SEARCH). If there is a contactor between motor and drive, wire so that contactor changes state only when drive is outputting 0.0 Hz. Drive will automatically adjust accel time with Item 12, ACC/DEC PATTERN #1 SELECTION set to "1".

OVERCURRENT (DECEL) or DC OVERCURRENT (DEC)

Cause: Drive current exceeded 215% of its rated FLA (190% above 100 HP).

Comments: Check for phase-phase short. DECELERATION TIME may be too small. Is motor/ machine jammed? Is mechanical brake engaged while drive is running? Adding appropriate braking resistor across "PA" and "PB" terminals may solve problem (see page 9-16). Drive will automatically adjust decel time with Item 12, ACC/DEC PATTERN #1 SELECTION set to "1".

OVERCURRENT (RUN) or DC OVERCURRENT (RUN)

Cause: Drive current exceeded 215% of its rated FLA.

Comments: Check for phase-phase short. Is motor/machine jammed? Is mechanical brake engaged while drive is running? Adding appropriate dynamic braking resistor across "PA" and "PB" terminals may solve problem (see page 9-16). If there are severe load fluctuations, adding mechanical dampening or an output line reactor may help to electrically dampen.

Inspection

Specifications Precautions

Wiring

Jumpers

Panel

Keypad

Programming Parameters

Service

Dimensions

Index

10 - 3

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Toshiba H3 manual Troubleshooting, How to clear a fault, Drive Fault Displays and Explanations
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H3 specifications

The Toshiba H3 is a notable addition to Toshiba's lineup of high-performance laptops, designed for users who demand both power and portability. It combines sleek aesthetics with robust technology to meet the needs of modern professionals, students, and gamers alike.

One of the standout features of the Toshiba H3 is its high-resolution display. The laptop is equipped with a vibrant full HD screen that boasts excellent color accuracy and wide viewing angles. This makes it ideal for multimedia consumption, graphic design, and video editing. The screen's anti-glare coating further enhances usability, allowing users to work comfortably in various lighting conditions.

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In terms of connectivity, the Toshiba H3 does not disappoint. It features multiple USB ports, including USB Type-C, which supports fast charging and data transfer. HDMI and mini display ports allow for easy connection to external displays, while dual-band Wi-Fi provides a fast and stable internet connection, perfect for streaming and online gaming. The inclusion of Bluetooth capability enhances wireless connectivity for peripherals and accessories.

The design of the Toshiba H3 is both stylish and functional. Its lightweight chassis makes it easy to carry, and the durable build quality ensures that it can withstand the rigors of daily use. The backlit keyboard is another thoughtful addition, allowing for comfortable typing in low-light environments.

The Toshiba H3 also emphasizes security, offering features such as a fingerprint scanner for quick and secure logins. This is particularly relevant in today’s digital landscape, where data protection is a priority.

Overall, the Toshiba H3 represents a blend of cutting-edge technology, reliable performance, and user-friendly features, making it a compelling option for anyone in need of a capable and stylish laptop. Whether for work, study, or play, the H3 stands ready to deliver an excellent computing experience.
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