information. Replace controller if necessary. No air pressure or voltage. Check that circuit Door panel Circuit breakers are off. breakers are on. Check doesn’t that air pressure and open/close voltage is available. DCU does not receive No Motion Signal “No wiring or device Motion Signal”. (relays). Mechanical problem Check hardware components of the door. Hardware (cables that allow Replace defective the door to open). hardware. Emergency door release Make sure the cable is isn’t fully engaged. functioning Adjust Microswitch Check wiring. Check switch. T/T (test/troubleshoot) door electrical Door safety components. interlock system Check all door hardware adjustments. Check interlock logic. Verify not related to another vehicle Door controller setting. Adjust air valve;
Door panel doesn’t open/close information. Replace controller if necessary. No air pressure or voltage. Circuit breakers are off. Check that circuit breakers are on. Check that air pressure and voltage is available. DCU does not receive “No Motion Signal”. No Motion Signal wiring or device (relays). Mechanical problem Check hardware components of the door. Emergency door release isn’t functioning Hardware (cables that allow the door to open). Replace defective hardware. Make sure the cable is fully engaged. Adjust Door safety interlock system Microswitch Check wiring. Check switch. T/T (test/troubleshoot) door electrical components. Check all door hardware adjustments. Check interlock logic. Verify not related to another vehicle Door controller setting. Adjust air valve;
RV_209_Coursebook.docx