Bauer Compressors Mini Verticus ImVT 120 II - Trouble Shooting Guide; Compressor will Not Start; Compressor Is Shutdown, Alarm Code Flashing Sequence; One Flash - Compressor High Temperature

MNL-0408
June 11, 2009 Page 89
7.11 Trouble Shooting Guide
7.11.1 Compressor Will Not Start
7.11.2 Compressor Is Shutdown, Alarm Code Flashing Sequence.
Possible Cause or Problem Corrective Action
Emergency Stop Switch not pulled out. Pull out Switch.
Selector Switch not in ON position. Turn switch to ON.
Lights on PLC not illuminated Check voltage and phases
Air Pressure not low enough to close pressure switch. PLC input I3 should be illuminated.
7.11.2.1 One Flash - Compressor High Temperature
Investigate or Possible Cause Corrective Action
Compressor is hot Improve compressor ventilation
Temperature switch electrical connector unplugged Reconnect plug
Temperature switch failure, check that PLC Input I1 is
on.
Replace High Temperature Switch
7.11.2.2 Two Flashes - Compressor Low Oil Pressure
Investigate or Possible Cause Corrective Action
Low Oil Pressure after oil and filter change. Restart 1or 2 more times.
Check Oil Pressure with Gauge, if lower than specified Check Oil Level
Replace Oil Filter
Check Compressor Rotation Direction
Check Oil Pressure with Gauge, if in specified range Reset Pressure Switch
7.11.2.3 Three Flashes - Compressor Overtime
Investigate or Possible Cause Corrective Action
The compressor is shut down after 5 hours of continuous
operation
Turn Compressor Control Switch to OFF
then back to ON.