text: <s>[INST] PROBLEM WITH INVERTER POWERFLEX 40 I HAVE A PROBLEM WITH SIX INVERTERS POWERFLEX 40, THE INVERTERS SWITCHED OFF AND DID NOT SWITCHED ON NEVER AGAIN, AND I NEED TO REPAIR PLEASE SOMEBODY CAN HELP ME TO IDENTIFY DE PROBLEM [/INST] Looks like the switch mode power supply has gone....... see tech note 34911 on the knowledge base \\n </s>