User`s guide

M3000A/M3046A/M3015A/M3016A Service Guide
Troubleshooting the Instrument 5-3
Part 1 Troubleshooting Checklists
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When first troubleshooting the Instrument, check for obvious problems by answering basic
questions such as the following:
 Is the power switch turned on?
 Is the battery adequately charged?
 If running from mains power supply, is the AC power cord connected to the Instrument
and plugged into an AC outlet?
 Are the Measurement Server and, if present, the Measurement Server Extension inserted
correctly?
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You can isolate many problems by observing indicators on the Instrument before it is
necessary to open the Instrument.
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• AC connected, without battery:
• AC Power LED is on (green).
• AC connected, with battery:
• AC Power LED is on (green).
• Battery LED is on (green if fully loaded, yellow if being charged).
• Battery LED red and blinking signals battery malfunction.
• No AC connected, with battery:
• All LEDs are off.
127( It takes several seconds for the AC Power LED to switch on / off after the mains
power cord has been connected / disconnected.