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VSG/VSSG • Installation, Operation and Maintenance Manual •Vilter/Emerson • 35391SSG
Problem Solution
High Amp Draw • Check Main Motor Amps scaling and PLC.
Vibration
• Check that unit is leveled and secured to mounting pad or fl oor.
• Check supported pipes (i.e. suction and discharge pipe) and make sure they
are adequately supported.
• Check for loose bolts and nuts.
• Check condition of compressor and motor (i.e. alignments)
Excessive Motor Backspin
• If there is more than normal motor backspin at shutdown, check suction
check valve for proper operation.
Table 6-3. Troubleshooting Guide - General Problems & Solutions (3 of 3)
Section 6 • Troubleshooting