bAd LinE Moderate Easy DIY

Samsung Oven bAd LinE — Bad Power Connection

Samsung Oven · Error code bAd LinE

What bAd LinE Means

Samsung's official 'bad line' message: the oven detects an incorrect or incomplete power connection. Often one of the two 120V legs is missing or the terminal block is miswired.

Symptoms

  • 'bAd LinE' shown on display
  • Oven won't heat or runs at reduced power
  • Code appears immediately on power-up

Common Causes

1
One 120V leg missing

Tripped breaker on one pole, blown fuse, or open splice.

2
Miswired terminal block

Three- or four-wire connection installed incorrectly.

3
Loose connection at range pigtail

Screw not torqued at the terminal block.

4
Utility-side issue

Open neutral or one leg lost at the panel.

How to Fix It

  1. Shut off the breaker.
  2. Verify both halves of the double-pole breaker are on; reset if needed.
  3. Pull the range / wall oven and inspect the terminal block — confirm both hot leads, neutral, and ground are landed correctly per the install manual.
  4. Retighten all terminal block screws.
  5. With power on (and care), measure 120V from each hot to neutral and 240V hot-to-hot at the block.
  6. If voltage at the block is wrong, the issue is upstream (breaker, panel, or utility) — call an electrician.

More Samsung Oven Codes

---- ---- — Invalid Temperature Setting -dC- -dC- — Flex Duo Divider Installed in Single Mode -dE- -dE- — Flex Duo Divider Not Installed bAd LinE Range bAd LinE — Power Connection Error C-10 Range C-10 — Temperature Sensor Reading Error C-20 C-20 — Oven Temperature Sensor Open/Short

All Samsung codes → All oven codes →

Verified against manufacturer documentation: samsung.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.