TM 11-6625-3087-12
2 - 8 . ERROR MESSAGES.
Some operator actions and Level Meter failures cause error messages to appear in the MEASUREMENT/ENTRY display.
See table 2-2 for a list of error messages and probable cause.
NOTE
If an error appears that is not listed in table 2-2, notify next higher level of maintenance.
PROBABLE CAUSE
CORRECTIVE ACTION
ERROR
Err 1
Press MEAS CONT, then ENTRY
The FULL SCALE level cannot be changed by the operator while
push buttons.
the Level Meter is in AUTOMATIC FULL SCALE.
Press MEAS CONT push button.
E 1.2
The 10dB range cannot be used when the Level Meter is set
up in the WIDEBAND or IMPULSE measurement modes.
E 2.2
Select AUTO then 10dB RANGE.
Jitter cannot be measured because the signal level is 40dB or more
below full scale in entry.
Correct test setup.
E 2.3
Jitter cannot be measured because the 1 KHz test tone is not
present due to improper test setup.
Verify test setup. If correct, notify
E 2.9
0 Jitter is out of range.
next higher level of maintenance.
Notify next higher level of
Err 3
Level Meter failure.
maintenance.
Notify next higher level of
E4.1
Level Meter failure.
maintenance.
Notify next higher level of
E 4.2
Level Meter failure.
maintenance.
Verify test setup. If correct, notify
Err 5
The Level Meter is in REMOTE operation and will not respond
next higher level of maintenance.
to front panel controls.
Accurate impulse measurements are unlikely because the THSHLD
Press MEAS CONT push button.
E 6.1
Increase THSHLD level or decrease
level is 56dB or more below full scale.
Full Scale.
E 6.2
Press MEAS CONT push button.
The THSHLD level is more than 3dB above full scale.
Decrease THSHLD level or increase
Full Scale.
Err 7
Notify next higher level of
Level Meter failure.
maintenance.
Notify next higher level of
CE-1 to 9
Level Meter failure.
maintenance.
2-20
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