2115. TROUBLE SHOOTING15.1 PEM4 MALFUNCTIONIf the PEM4 does malfunction, power the PEM4 down, check all wiring and power the PEM4 back upagain. This will restart the program.15.2 NO TORQUE SIGNALThe connection between the PEM4 and the stator control box is broken. Check wires for damage. Check the connections in the stator control box or at the PEM4 touch screen.16. CERTIFICATESFor a torque measuring system no classification certificates are required.16.1 EMC CLASSIFICATIONS OF THE PEM4PEM4 Efficiency Monitor is tested in accordance with: General Vibration Strain, IEC 68-2-64 compliant. Shock, IEC 68-2-64 compliant.