Fault codes / Norcold fridge / dc LO

Norcold fridge code dc LO

What it means: 12V control voltage too low.

What to check

Charge or replace the battery. Check voltage drop on the supply wire and ground. Needs about 10.5 V or more.

Learn the system

• Absorption fridges (gas/electric)
• 12V compressor and residential fridges
• Absorption fridge won't run on gas
• Absorption fridge won't run on electric

Practice it on a service call

• Fridge won't run on gas
• Fridge is warm after unplugging
• Fridge works on gas, not electric

Guided diagnosis

• Refrigerator
• Refrigerator: Compressor / Residential

Other Norcold fridge codes

• Norcold fridge code no co No cooling detected
• Norcold fridge code no FL Burner did not ignite or re-ignite
• Norcold fridge code no AC No 120V AC available
• Norcold fridge code AC LO 120V is too low
• Norcold fridge code dr Door open more than 2 minutes
• Norcold fridge: No display No 12V control power, or the fridge is off
• Norcold fridge: Flashing temperature Backup Operating System (BOS) is active
• Norcold fridge code AC rE Internal control fault
• Norcold fridge code AC HE Internal control fault
• Norcold fridge code Sr Internal control fault
• Norcold fridge code AC HI 120V above 132V
• Norcold fridge code Lo dc 12V below 10.5V at the power board (alarm below 8.5V)
• Norcold fridge code dc HI 12V above 15.4V
• Norcold fridge code dc rE DC heater relay stuck closed (3-way)
• Norcold fridge code dc HE DC heater current too low (3-way)
• Norcold fridge code no dt Display lost communication with the power board
• Norcold fridge code L1 oP High temperature limit switch open or unplugged
• Norcold fridge code FL -- Flame sensed when there should be none
• Norcold fridge: ON and CHECK both flashing No energy source: no 120V and the burner did not light
• Norcold fridge: Check lamp on Ignition failure, gas lockout
• Norcold fridge: ON lamp blinks off 3 times every 3 s AC heater open
• Norcold fridge: ON lamp blinks off 5 times No cooling detected

Full field guide: Norcold 1200 series fridge

Codes come from the maker manuals and public service sheets. Your model's own chart always wins, and LP and 120 volt work belongs to a qualified technician.