Checkout Current Transformers (CTs) and check resistance across each one while it is disconnected. All resistances should be within 10% of one another. Also do a diode test on the CT inputs on each compressor module. (The diode test is described in RTAA-SVB10B-EN.)
[pdf] Where is PERUVIAN SCREW E.I.R.L located? PERUVIAN SCREW E.I.R.L is located at Jiron YAHUAR HUACA 151 URB. TAHUANTINSUYO Lima, Lima, 15333 Peru What is PERUVIAN SCREW E.I.R.L's industry? How many employees does PERUVIAN SCREW E.I.R.L have? Who is PERUVIAN SCREW E.I.R.L's key principal?
[pdf] Solutions: Inspect the system for leaks, replace clogged filters, and check for worn parts like seals or rotors. Possible Causes: Loose components, bearing wear, or improper alignment. Solutions: Tighten loose components, inspect bearings, and ensure proper alignment of moving parts.
[pdf]