Part No. 40462 DPL-25S • DPL-30S • DPL-35S Super Series 5 - 3September 2016 Section 5 - Troubleshooting Flow ChartsPower Light WillNot Turn On -AC ModelsBe sure the keyswitch isin the appropriateposition.Be sure the EmergencyStop buttons are pulledup to the ON position.Be sure the groundcontrol box PC boardfuse is not blown.Chart 1Check the power supplywith a voltage meter.0V AC Plug into a differentpower supply andrecheck the voltage.110V ACCheck the voltage atterminal 3 on the keyswitch N.O. contact. PutPos. lead of voltagemeter on terminal 3 andNeg. lead on the whitewire from the AC powercord.0V AC Repair or replace the ACpower cord and/or the 12/3 cable.Check the voltage atterminal 4 on the keyswitch N.O. contact.Check the voltage atterminal 2 on theEmergency Stop buttonN.C. contact.Replace the key switchN.O. contact.Check the voltage atterminal 1 on theEmergency Stop buttonN.C. contact.Trace the black wire fromterminal 1 on theEmergency Stop N.C.contact back to the keyswitch N.O. contact andrepair open in wire.Replace the EmergencyStop button N.C.contact.Check the voltage at theblack transformer wirewhere it connects to thebrown transformer wire.Repair open in the yellowtransformer wire betweenthe Emergency Stopbutton and thetransformer OR replacethe transformer becauseof a faulty thermal fuse.110V AC0V AC110V AC0V AC0V AC110V AC0V ACContinued on the nextpage.110V AC110V AC
