Error Messages And Troubleshooting - Fluke 2638A User Manual

Hydra series iii data acquisition unit

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Table Of Contents

100

101

102

103

Table of Contents

Troubleshooting

In the event that the Product functions abnormally, Table 7-2 can help find and solve the

problem. Several possible problem conditions are described with likely causes and

solutions. If a problem occurs, please read this section carefully and attempt to

understand and solve the problem. If the Product seems faulty or the problem cannot

otherwise be solved, contact an Authorized Service Center for assistance, see Chapter 1.

Be sure to have the instrument model number, serial number, and regional voltage

available to tell the Service Technician.

Problem

The Product does not

power on.

LED lights are

illuminated but the

display is blank.

Input Module is not

recognized.

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Table 7-2. Troubleshooting Chart

Causes and Solutions

Cause 1: Fuses.

Solution 1: If a fuse blows, it could be because of a power surge or a

component failure. Replace the fuse once. DO NOT replace the fuse with one

of a higher current rating. Always replace the fuse with one of the same rating,

voltage, and type. If the fuse blows a second time, it is likely caused by failure

of a component part.

Cause 1: Power Cord.

Solution 1: Check that the power cord is plugged in and connected to the

Product.

Cause 2: AC mains power.

Solution 2: Make sure the circuit that supplies power to the Product is on.

Cause 3: Power entry is not properly set.

Solution 3: Make sure the power entry setting is matching with the AC mains

power supply rate.

Cause 1: The unit is standby mode (the power LED should be amber).

Solution 1: Press the Standby key on the front panel to exit the standby

mode.

Cause 2: Screen saver activated.

Solution 2: Press any front panel key to exit the screen saver.

Cause 3: Screen or unit is malfunctioning.

Solution 3: Contact Fluke Calibration. See Chapter 1.

Cause 1: Input Module not fully seated.

Solution 1: Reinstall the Input Module and make sure it is fully seated in the

slot.

Cause 2: Relay card not installed.

Solution 2: Make sure the relay card is installed.

Cause 3: Input Module has failed.

Solution 3: Contact an Authorized Customer Service Center.

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