93
Table 7-7 "Minor Failure/ Warning Error" Display Details and Remedies (Continued)
LED Display
Error name
Uv3
In-rush prevention circuit error
Failure of the in-rush prevention circuit occurred.
Cause
Measure
Failure of the contactor of the in-rush
prevention circuit inside the VFD
Turn on/off the power supply to check if an error occurs.
⇒
If the error
occurs in succession, replace the VFD.
VFD internal atmosphere error
Check the ambient temperature of the VFD.
Table 7-8 "Minor Failure/ Warning" Display Details and Remedies
LED display
Minor failure name
EF
Forward/reverse command simultaneous input
The forward rotation command and reverse rotation command were
inputted simultaneously for 0.5 seconds or more.
Cause
Measure
Sequence error
Review and modify the wiring of the forward/reverse command.
LED display
Minor failure name
to
EF1 to EF7
External error (Input terminal S1 to S7)
An external error was inputted from the multifunction contact input
terminal (S1 to S7)
Cause
Measure
The alarm function of the external
equipment is operating.
-Remove the cause of the external error input of the multifunction input.
The wiring is not correct.
Check that the signal line is correctly connected to the external input
terminal.
-Connect the signal line correctly.
LED Display
Minor failure name
Hbb
Safety signal is being inputted.
A safety signal was inputted from the input terminal.
Cause
Measure
-If not reset by releasing the emergency stop button, check the wiring
related to the push button switches (signal line).
LED Display
Minor failure name
HCA
Current warning
The VFD output current exceeded the overcurrent warning level (150% of
the rated current).
Cause
Measure
The load is too high.
Measure the current flowing through the motor.
⇒
If overload occurs, reduce the load, or increase the inverter (VFD)
capacity.
Содержание Harrington RY Series
Страница 15: ...15 2 3 Part Names Figure 2 1 RY Part Names...
Страница 42: ...42 Figure 3 20 Hoist Upper and Lower Limit Switch ULLS...
Страница 57: ...57 Table 5 8 Various shapes that require the wire rope to be replaced...
Страница 67: ...67 Table 6 9 Motor Brake Gap Capacity Code Brake Gap G inch mm RY030 RY050 0 032 0 8...
Страница 104: ...104 9 3 Trolley Frame Parts Figure 9 3 Trolley Frame Parts...
Страница 112: ...112 9 10 Hoist Motor Parts Figure 9 10 Hoist Motor Parts...
Страница 114: ...114 9 11 Trolley Motor Parts Figure 9 11 Trolley Motor Parts...
Страница 116: ...116 9 12 Control Panel Box Parts Figure 9 12 Control Panel Box Parts...
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