7.
CONTROL OPERATION
Prior to shipment, all OC2-500 and OC2E-500 controls are tested and
completely adjusted at the Polyspede factory. Therefore, after properly
wiring and following the “Initial Turn-On Procedure” section, the control
should be functioning properly. If the motor speed cannot be controlled,
fuses blow, or other problems are experienced with the control, refer to the
Troubleshooting Chart, the Troubleshooting in Case of Fuse Blowing
Section, and/or the Motor Test Section.
8.
TROUBLESHOOTING
8.1
TROUBLESHOOTING TABLE
The majority of major malfunctions which are normally encountered,
can be summarized as stated below:
a) Motor does not run.
b) Motor runs only at full speed or over speed.
c) System blows fuses or breakers repeatedly.
Table III tabulates these malfunctions, probable causes, and actions required
for testing. If fuse blowing is the problem, read Table III and then follow the
checkout procedure of Section 8.2
*************************************************************
WARNING
DANGEROUS VOLTAGES ARE PRESENT ON THE
CONTROL CIRCUIT BOARD AND TERMINALS.
ONLY PERSONNEL FAMILIAR WITH ELECTRICAL TEST
PROCEDURES, TEST EQUIPMENT, AND SAFETY
PRECAUTIONS SHOULD ATTEMPT THESE TESTS
10