Appendix E—Troubleshooting
Ref .
No .
Possible Causes
What To Do
22.
Wire size too small for length or run
Replace with correct size
23.
Wrong power characteristics
Voltage, phase, and frequency must coincide with motor
nameplate. Consult with power company.
24.
Wrong size of heaters in starter
Check and replace according to manufacturer’s instructions
25.
Compressor overloading
Reduce speed
26.
Motor shorted out
See driver installation
27.
Bad motor bearing
Lubricate according to manufacturer’s instructions
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