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19
12.2 Digital readout error codes (Variable speed models)
Message Possible Cause Correction *
OCL Internal electronic overload has been tripped.
Do not overload motor; reduce pressure of
workpiece against wheels.
OH IGBT protection activated.
Inspect wire connections to U/V/W for possible
short circuits. Verify that motor rating
corresponds to AC motor drive output power.
OE
Excessive input voltage (exceeds AC driver
limits).
Use correct voltage.
LE1
Low voltage; AC motor driver detects that DC
bus voltage has fallen below minimum
threshold
Make sure input voltage falls within range of AC
motor input voltage range. Check for abnormal
load in motor.
LP1 Low input voltage (below AC driver limits) Use correct voltage.
Table 4
13.0 Replacement Parts
Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-800-
274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and Serial Number of
your machine available when you call will allow us to serve you quickly and accurately.
Non-proprietary parts, such as fasteners, can be found at local hardware stores, or may be ordered from JET.
Some parts are shown for reference only, and may not be available individually.
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