Error Error description
EEE
500
The mains frequency could not be
established.
Possible causes:
The voltage on L1 is too low.
The mains frequency is not in the range
from 45 to 65 Hz.
Remedy:
Check the mains frequency.
Select fixed frequency on the device.
Fig. Warning message
with number 500 (mains
frequency)
Warnings
Warnings are less
serious errors and must
be acknowledged with
button 1 or 2. The capture
and display of measured
values continues. This
error is displayed again
each time the power is
switched on.
Error / warning messages
The UMG 96RM-PN can show four different error
messages on the display:
• Warnings
• Serious errors
• Measurement range exceeded
Error messages for warnings and serious errors are
depicted with the symbol "EEE" followed by an error
number.
The three-digit error number is composed of the error
description and - if this can be established by the UMG
96RM - one or more causes for the error.
Symbol for an
error message
Error number
Fig. Error message
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