Maintenance and Specifications 8

If the Test Tool Fails

Table 8-1. Troubleshooting the Test Tool

Symptom 1: Display is blank

Press C. The test tool may have switched to low-power mode.

Connect the ac adapter/charger. The NiCad battery pack may need charging.

Hold down C for 2 seconds, then hold down U for 5 seconds. The display contrast may be too low.

Hold down C for 2 seconds, then hold down D for 5 seconds. The display contrast may be too high.

Symptom 2: Remote unit is not detected.

Charge or replace the battery in the remote.

Verify that the cable is securely connected to the main and remote units.

Connect the remote with a different cable. The cable you are using may be defective. Check the connectors on the main and remote units for damage.

Symptom 3: Test results appear to be incorrect.

Perform a self-test to verify correct operation. See “Performing a Self-Test” in Chapter 2 for details.

Verify that the test standard, cable type, temperature, conduit setting, and power line frequency (all in SETUP) are correctly set. See Chapter 2 for details.

Perform a self-calibration. See “Calibrating the Test Tool” in Chapter 6 for details. Perform a NVP calibration. See “Calibrating the NVP Value” in Chapter 6 for details.

Symptom 4: Internal fault detected.

Note any error number displayed. Turn the unit off, then turn it on again. Stored data may be lost. If the error occurs again, contact a Fluke Service Center for assistance.

Symptom 5: Test tool does not operate with ac adapter/charger connected.

Verify that the NiCad battery pack is installed. The ac adapter/charger will not power the test tool if the battery is removed.

Turn off the test tool; then charge the battery for about 30 minutes before resuming operation. Replace the NiCad battery pack.

Symptom 6: Self calibration fails.

See “Calibrating the Test Tool” in Chapter 6 for details.

Symptom 7: Test tool is locked in the power-on sequence.

Turn off the test tool; then charge the battery for about 30 minutes before resuming operation.

8-5

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Fluke DSP-100, DSP-2000 Troubleshooting the Test Tool Symptom 1 Display is blank, Symptom 2 Remote unit is not detected