Fluke 87V FE 83V & 87V Users Manual - Page 43
Maintenance, General Maintenance, Fuse Test - repair
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Maintenance XWWarning To avoid possible electric shock or personal injury, repairs or servicing not covered in this manual should be performed only by qualified personnel as described in the 80 Series V Service Information. General Maintenance Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents. Dirt or moisture in the terminals can affect readings and can falsely activate the Input Alert feature. Clean the terminals as follows: 1. Turn the Meter off and remove all test leads. 2. Shake out any dirt that may be in the terminals. 3. Soak a new swab with a cleaning and oiling agent (such as WD-40). Work the swab around in each terminal. The oiling agent insulates the terminals from moisture-related activation of the Input Alert feature. Maintenance Fuse Test If a test lead is plugged into the mA/µA or A terminal and the rotary switch is turned to a non-current function, the Meter chirps and flashes "LEAd" if the fuse associated with that current terminal is good. If the Meter does not chirp or flash "LEAd", the fuse is bad and must be replaced. Refer to Table 8 for the appropriate replacement fuse. To test the quality of the fuse: before measuring current, test the appropriate fuse as shown in Figure 10. If the tests give readings other than those shown, have the Meter serviced. XWWarning To avoid electrical shock or personal injury, remove the test leads and any input signals before replacing the battery or fuses. To prevent damage or injury, install ONLY specified replacement fuses with the amperage, voltage, and speed ratings shown in Table 8. 35