Norcold N6XX/N8XX error code d / dr
Fresh food compartment door reported open for more than 2 minutes. Detected by door switches; per the 121X service manual, the switch turns the compartment light off when held closed (not a reed relay/magnet system).
What to check, and in what order, is in the app. The flow Norcold N6XX/N8XX — dc LO or dc HI fault code 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
- Norcold N6xx/N8xx Series Service Manual [on disk, 19-myrvworks]
- Norcold N6XX/N8XX/N1210T Service Manual
- Norcold Tech Support 800-543-1219
- Norcold Chapter 11 (Nov 2025) — parts supply uncertain past 2026
Related codes
- H / AC rEAC relay stuck closed. Power board detects the AC heater relay K2 is…
- AC HIAC voltage high — power board measured above 132 VAC at the AC input.
- AC LOAC voltage low — power board measured below 108 VAC at the AC input.
- P / AC HEAC heater failed open. Power board detects open circuit in the 120…
- n / no coNo cooling detected by the controls. Power board monitors…
- 10 sec flashesThe refrigerator has fallen back to its Back Up Operating System. Per…