This PRESTAN AED Trainer troubleshooting sheet covers testing steps when a Professional AED Trainer is not running properly. It starts with on/off, fresh batteries, module reseating or swapping, and pad replacement or reorientation, then moves into Test Mode to beep-check each pad sensor and cable. Clear pass/fail cues help determine whether to keep the pads, replace a pad, or escalate further. Keep this reference with your AED trainer service kit so instructors can recover failed units between student rotations.
