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[ 2 ] _ _ _ _ (under bar) appears
Problem An under bar ( _ _ _ _ ) appeared on the LED monitor when you pressed the
key
or entered a normal start/stop command FWD or a reverse start/stop command
REV. The motor did not start.
Possible Causes What to Check and Suggested Measures
(1) The voltage of the DC link
bus was low (F14 = 4, 5).
Select
5_01
under Menu #5 "Reading maintenance
information" in Programming mode on the keypad, and chec
the voltage of the DC link bus, which should be: 200 VDC o
below for three-phase 200 V, single-phase 200 V, and single
-phase 100 V; and 400 VDC or below for three-phase 400 V.
Plug the inverter to a power supply that meets its input
specifications.
[ 3 ]
appears
Problem Parentheses (
) has appeared on the LED monitor while the keypad displaying
the Drive Monitor.
Possible Causes What to Check and Suggested Measures
(1) The data to be displayed
could not fit the LED
monitor.
Check that the product of the output frequency and the displa
coefficient (E50) does not exceed 9999.
Adjust the setting of E50.
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