Dometic CRX (Secop BD electronic unit) error code 1 blink (Secop BD)
Battery-protection cut-out. Supply voltage at the Secop electronic unit is below the cut-out threshold (or above the over-voltage threshold). On Dometic CRX with Coolmatic this is the most common false alarm and is almost always supply-side wiring rather than the unit itself.
What to check, and in what order, is in the app. The flow Secop BD Compressor Fault — Universal 5-Code Chart (Dometic CRX / Vitrifrigo / Whynter) walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
Start free trial 14 days free, no card neededDocumented in
- Secop BD Controllers Operating Instructions (101N0212-650)Secop
Related codes
- 2 blinks (Secop BD)Fan over-current. The Secop electronic unit sensed more than 1.0 A on…
- 3 blinks (Secop BD)Compressor start failure. The compressor motor could not reach the…
- 4 blinks (Secop BD)Minimum compressor speed error. Compressor reached start RPM but…
- 5 blinks (Secop BD)Thermal cut-out / electronic unit over-temperature. The Secop…