Sumitomo F-20L, Руководство по эксплуатации, Страница: 50 / 56

Troubleshooting
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PRESERVE YOUR WARRANTY. Modification of equipment without the
consent of the manufacturer will void the warranty.
Troubleshooting Guide
The Troubleshooting Guide that follows lists problems that can occur in the system and
suggests causes and corrective actions.
Problem Possible Cause Corrective Action
Compressor and items
powered by it do not start
when the start switch on the
compressor is closed. Run
light is not on. No electrical power. Check that the power source
is “ON” and the power cord is
connected.
Tripped circuit breaker in the
compressor. Check the voltage. Reset the
circuit breaker. Consult a
SCAI Service Center if the
problem persists.
Open fuse in the control
circuit. Check for a short circuit.
Replace the fuse. Consult a
SCAI Service Center if the
problem persists.
Compressor starts but shuts
down after a few minutes of
operation. Wrong equalization or
operating pressure. Refer to Specifications and
the section on Charging and
Venting. Leak check the
system if the pressure is low.
Gas equalization solenoid
valve has failed. Replace the solenoid valve.
Low oil flow. Look for oil leaks in the
compressor capsule. Consult
a SCAI Service Center.
Orifice or the oil cooling line
filter is blocked. Replace the orifice and filter.