No Control Over Field Decoders Symptoms: No control over field decoders and zeros in course log.
Shorted Wire Path Symptoms: No Decoder Operation on Wire Path or LDI. Field LED may be solid or faint.
Suspected Broken Wire Path Symptoms: Zeros in course log. No response on parts of wire path or partial connection (Bad Splice).
Suspected Ground Fault (Leakage to Ground) Symptoms: Lower run times or zeros in the course log. Fluctuating current reported in Decoder Diagnostics. No clean alternating color in Field LED on LDI/SDI.