EH 9 Troubleshooting419 TroubleshootingPotential faults, their causes and remedies can be found in the following table.Malfunction Cause RemedyMachine not in operation For machines with 230 V:Input voltage too high (> 300 V)or too low (< 80 V).Provide correct voltage; if nec-essary use an extension cablewith sufficient cross section.For machines with 115 V:Input voltage too high (> 150 V)or too low (< 45 V).Provide correct voltage; if nec-essary use an extension cablewith sufficient cross section.Inverter has switched off due toexcess temperature.Let machine cool off.Power cable interrupted. Check power cable, have it re-placed if defective. ** Notify your Wacker Neuson contact in case of malfunctions you cannot or may not remedyyourself.Blocked percussion system High grease resistance due tovery low temperatures.Allow machine to warm up inwarm environment (e.g. heatedrooms).Seizing of moving parts (e.g.due to prolonged dry running).Have defective components re-placed. *