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PROBLEM
Lights flicker or dim when running
Moisture in crankcase or "milky" appearance
in petroleum lubricant or rusting in cylinders
Motor overload trips or draws excessive
current
Motor will not start
EN-14
RELEASED 31/Jan/2020 19:25:50 GMT
POSSIBLE CAUSE
Improper line voltage
Wiring or electric service panel too small
Poor contact on motor terminals or starter
connections
Improper starter overload heaters
Poor power regulation (unbalanced line)
Detergent type lubricant being used
Extremely light duty cycles
Unit located in damp or humid location
Lubricant viscosity too high
Improper line voltage
Wiring or electric service panel too small
Poor contact on motor terminals or starter
connections
Improper starter overload heaters
Poor power regulation (unbalanced line)
Drive belts too tight or misaligned
Compressor valves leaky, broken, carbonized
or loose
Cylinder(s) or piston(s) scratched, worn or
scored
Connecting rod, piston pin or crankpin
bearings worn or scored
Defective ball bearings on crankshaft or
motor shaft��
Leaking check valve or check valve seat
blown out��
Ambient temperature too low��
Bad motor��
Improper line voltage
Wiring or electric service panel too small
Poor contact on motor terminals or starter
connections
Improper starter overload heaters
Bad motor
POSSIBLE SOLUTION
Check line voltage and upgrade lines as
required�� Contact electrician��
Install properly sized wire or service box��
Contact electrician��
Ensure good contact on motor terminals or
starter connections
Install proper starter overload heaters��
Contact electrician
Contact power company
Drain existing lubricant and refill with proper
lubricant
Run unit for longer duty cycles
Relocate unit
Drain existing lubricant and refill with proper
lubricant
Check line voltage and upgrade lines as
required�� Contact electrician��
Install properly sized wire or service box��
Contact electrician��
Ensure good contact on motor terminals or
starter connections
Install proper starter overload heaters��
Contact electrician
Contact power company
Adjust belts to proper tension and alignment��
Inspect valves�� Clean or replace as required��
Install valve kit
Repair or replace as required
Inspect all�� Repair or replace as required
Inspect bearings and replace crankshaft
assembly if required
Replace check valve��
Relocate unit to warmer environment�� Install
crankcase heater kit��
Replace��
Check line voltage and upgrade lines as
required�� Contact electrician��
Install properly sized wire or service box��
Contact electrician��
Ensure good contact on motor terminals or
starter connections
Install proper starter overload heaters��
Contact electrician
Replace
22204945 Rev D
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