Freezer shows E5 and may shut down or run intermittently; often associated with power issues

Safety: Always unplug the freezer before inspecting the cord or opening any panels. Do not attempt live voltage measurements unless you are trained and equipped.

Steps:

• Verify outlet: Plug a known-good appliance or tester into the same outlet to confirm proper voltage and grounding. Avoid extension cords and power strips.
• Inspect power cord: Check the Whynter freezer power cord for cuts, burns, or kinks. Ensure the plug blades are not loose or discolored. Replace the cord if damaged.
• Check cord connection inside unit: Remove the rear lower access panel to locate where the cord connects to the internal wiring or control board. Confirm all spade connectors are tight and not burnt.
• Look for board damage: Inspect the main control board for burnt components, cracked solder joints, or bulging capacitors. If present, the board likely needs replacement.
• Reset: After checks, plug the unit back in directly to a dedicated outlet. If E5 persists, the internal power supply circuitry on the control board is likely faulty.

Warning: If you smell burning or see smoke from the control area, disconnect power immediately and contact a professional.