Manual RMO-H
M-RH00NN-300-EN 17
NOTE: Voltage Sense cables disconnection, occurred during the test, will provide
an erroneous result. The display will not show this as an error message.
4.3 Error Message "Open Connection"
If one of RMO-H Current Cables ("+" or "-") is disconnected, from the test set or from the test object at
the start or during the test, the error message "Open Connection" is displayed.
Note: The error message "Open Connection" can be displayed not only in
case one of the current cables is disconnected, but also in case of
high test resistance due to bad contact. It is recommended to clean
the contact surface of the circuit breaker terminal before testing with
the RMO-H device.
Figure 4-4:
Disconnection of the
current cables and
corresponding error
message
Figure 4-2:
Disconnection of a
"Voltage Sense" cable
and corresponding
error message
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