TM 5-3895-374-24-1 Chapter 9 Troubleshooting The Following Probable Cause Recommended Action Error Exists 1. Verify selected processor mode 2. If the processor is in the Program/Test modes, attempt Run mode entry • If keyswitch is in the REM position and Either Improper there is no key, use the programmer Mode Selected or • If keyswitch is in REM or PROG position, User Program and you have the key, toggle to the RUN Logic position 3. If in the suspend mode, check user program logic for suspend instructions Refer to the Advanced Programming Software User Manual (Catalog Number 1747-NM002) 1. Check proper 120/240V power supply jumper selection and Incoming power connections Line Power Out of 2. Monitor for proper line voltage at the incoming Operating Range power connections See page 5-4 for power supply installation Processor Not In 1. Remove power and inspect the power supply Run Mode chassis connections and the processor chassis Improper Seating connections of Power Supply, and/or Processor 2. Reinstall the devices and re-apply power Important The processor only operates In slot in the Chassis 0 of chassis #1 1. Attempt Run mode selection of Processor in existing chassis • keyswitch is In the REM position and there is no key, use the programmer • keyswitch is in REM or PROG position, and you have the key, toggle to the RUN Defective position. Processor, Power 2. Place processor in another chassis not in the Supply, or Chassis existing system. Apply power, reconfigure and attempt Run mode selection. If unsuccessful, replace processor. 3. Try existing power supply in test chassis. If unsuccessful, replace power supply. If entry into the Run mode is allowed, replace the existing chassis. Refer to the following key to determine the status of the LED indicators. Indicates the LED Is OFF Indicates the LED Is ON Indicates the LED is FLASHING Status of LED does not matter (page 3-446)