Part 1 Troubleshooting Checklists; Checks For Obvious Problems; Checks Before Opening The Instrument - Philips M3001A Service Manual

Part 1 Troubleshooting Checklists

Part 1 Troubleshooting Checklists

Checks for Obvious Problems

When first troubleshooting the Instrument, check for obvious problems by answering basic
questions such as the following:
1
2
3
4

Checks Before Opening the Instrument

You can isolate many problems by observing indicators on the Instrument before it is
necessary to open the Instrument.
Checks with the Instrument switched Off
• AC connected, without battery:
•
• AC connected, with battery:
•
•
•
• No AC connected, with battery:
•
NOTE It takes several seconds for the AC Power LED to switch on / off after the mains power cord
has been connected / disconnected.
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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?
AC Power LED is on (green).
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.
All LEDs are off.
Troubleshooting the Instrument