90
Table 7-7 "Error" Display Details and Remedies (Continued)
LED Display
Error name
oH
Heat sink overheat
The heat sink temperature of the VFD exceeded the setting value (90 to
100°C, or approximately 195 to 210°F)
oH1
Heat sink overheat
The heat sink temperature of the VFD exceeded 100 to 110
Cause
Measure
The ambient temperature is too high.
Check the ambient temperature.
-Remove any nearby heating elements
-Use it within the rated ambient temperature range.
The frequency is too high.
-Use it within the rated range.
The load is too high.
Measure the output current.
-Reduce the load.
LED Display
Error name
oL1
Motor overload
The motor overload protection tripped due to electronic thermal.
Cause
Measure
The load is too high.
Check the amount of load.
Malfunction of the magnetic brake
Check the wiring for the magnetic brake
LED Display
Error name
oL2
VFD overload
The VFD overload protection tripped due to electronic thermal.
Cause
Measure
The load is too high.
Check the amount of load.
-Reduce the load.
LED Display
Error name
oL3
Over-torque detection 1
A motor torque exceeding the setting value was output.
oL4
Overload detection by the overload limiter
The overload limiter tripped.
oLF
Overload detection by the overload limiter
The overload limiter tripped.
Cause
Measure
The load is too high.
Check the amount of load.
-Reduce the load.
Summary of Contents for Harrington RY Series
Page 15: ...15 2 3 Part Names Figure 2 1 RY Part Names...
Page 42: ...42 Figure 3 20 Hoist Upper and Lower Limit Switch ULLS...
Page 57: ...57 Table 5 8 Various shapes that require the wire rope to be replaced...
Page 67: ...67 Table 6 9 Motor Brake Gap Capacity Code Brake Gap G inch mm RY030 RY050 0 032 0 8...
Page 104: ...104 9 3 Trolley Frame Parts Figure 9 3 Trolley Frame Parts...
Page 112: ...112 9 10 Hoist Motor Parts Figure 9 10 Hoist Motor Parts...
Page 114: ...114 9 11 Trolley Motor Parts Figure 9 11 Trolley Motor Parts...
Page 116: ...116 9 12 Control Panel Box Parts Figure 9 12 Control Panel Box Parts...
