TM 11-6625-3087-12
TROUBLESHOOTING
Section Ill.
SYMPTOM INDEX
Level Meter
Page
Symptom
1. LEVEL METER WILL NOT TURN-ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
2. LEVEL METER QUITS DURING OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3. FREQUENCY/ENTRY DISPLAY BLANK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4. ERROR MESSAGE PRESENT IN MEASUREMENT/ENTRY DISPLAY . . . . . . . . . . . . . . . . . .
5. FREQUENCY TUNE KNOB WILL NOT CHANGE FREQUENCY . . . . . .. . . . . . . . . . . . .
6. AUDIO NONOPERATIVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . .
7. LEVEL METER WILL NOT MEASURE INPUT SIGNAL . . . . . . . . . . . . . . . . . . . . . . . .
8. OVLD INDICATOR FLASHING . . . . . . . . . . . . . . . . . . . . . . . . . . .
9. OL/UL IN MEASUREMENT/ENTRY DISPLAY . . . . . . .. . . . . . . . . . . . . . . .
3 - 6 . TROUBLESHOOTING TABLE.
Table 3-1 lists common malfunctions which you may find during operation or maintenance of the Level Meter or its
components. You should perform the tests/inspections and corrective actions in the order listed.
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This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If a malfunction
is not listed or is not corrected by listed corrective actions, notify your supervisor.
Table 3-1. Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. LEVEL METER WILL NOT TURN-ON.
Step 1. Check the fuse and fuseholder cap.
Replace faulty component.
Step 2. Check to see if the power is available at the power receptacle.
Move to a working receptacle.
Step 3. Check power cable.
Replace faulty component.
Notify next higher level of maintenance.
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