DFE TRUETENSION TA1 Gebruiksaanwijzing - Pagina 12

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TROUBLESHOOTING

4.1 Troubleshooting

The TA1 is running normally when the status LED is showing a solid green. If it is not

staying on and is blinking, refer to the list of blink sequences indicating errors. Perform

the action required to clear them. Contact Technical Support if you need additional

help.

Normal operation: Solid Green

• 1 Blink = No Calibration Performed

Action Required: Perform Calibration.TA1 is not factory calibrated. A calibration

must be performed at the customers site. Each calibration is specific to the

installation configuration. If using CAL B – a separate calibration must be performed.

• 2 Blinks = Outside Cal Range

Once calibrated the TA1 will indicate an over range or under range condition by

setting the error code to 'Outside Cal Range'. The error is active once -20% or 120%

tension is exceeded.

Action Required: To clear this error the tension must be brought back into range, or

a new calibration will need to be performed to do so.

• 3 Blinks

Wiring Error:

- Will alert until the load cells are wired correctly.

- Action Required: Check wiring and retry. Refer to page 4. Check for loose wires

at the terminal blocks, check for shorts, and be sure the load cells are connected. If

the transducers need trouble shooting – contact tech support for assistance.

Overload Condition (LT Transducer):

- Will intermittenly alert if overload is reached.

- Action Required: Check that the tension range does not exceed the transducer

load rating. Reduce wrap angle to reduce effective net force exerted on load cell.

• 4 Blinks = Excitation Failure or Wiring Error

Action Required: Check for shorts in the transducer / load cell wiring. If the

transducers need trouble shooting – contact tech support for assistance.

• 5 Blinks = DAC/ADC Internal Failure

Action Required: Contact DFE for replacement.