Oil flow switch

HS.53 .. HS.74 and OS.53, OS.74

Function test:

• The compressor should already be in operation for more than one minute.
• Interrupt oil supply:
• HS.53 .. HS.74 and OS.53, OS.74: Disconnect power to the oil solenoid valve
• HS.85 and OS.85: Shut service valve in oil line
• After max. 5 s the oil flow control must switch off the compressor.

Check also electrical control:

• Reason for the malfunction could be damaged electrical control components as well. Carry out an adequate examination.