Samsung Oven Error E-85

⚡ Quick Answer: The Samsung Oven E-85 error code signifies a communication failure between the main control PCB and the touch/control panel. This can result in the ov... ✅ DIY Fixable

What Does Error E-85 Mean?

The Samsung Oven E-85 error code signifies a communication failure between the main control PCB and the touch/control panel. This can result in the oven not heating properly, unresponsive controls, or operational limitations. If the error persists after attempting a basic reset, there may be issues with wiring or the control boards themselves.

Common Symptoms:

  • Oven displays E‑85 error on the panel
  • Oven may not heat or operate certain functions
  • Controls may be unresponsive or locked out
  • Error persists after normal operation attempts

Possible Causes

  • Communication failure between oven control PCB and glass touch/control panel (medium)
  • Defective or mismatched main control PCB or sub PCB (medium)
  • Loose or faulty wiring/interconnect cables between boards (medium)

How to Fix Error E-85

DIY Fix Basic reset and power cycle

  1. Turn off the oven at the breaker or unplug from power.
  2. Wait 60 seconds to allow residual power to drain.
  3. Restore power and check if the E‑85 code clears.

Technician Only Inspect and repair communication pathways

  1. Disconnect power to the oven at the breaker.
  2. Access the control panel and main PCB area.
  3. Inspect ribbon cables and connectors between the glass control panel and main PCB for security and damage.
  4. Re‑seat or replace faulty cables as needed.
  5. Test with multimeter continuity checks on suspect wiring.
  6. Replace defective control boards (main PCB or touch/control PCB) with correct model parts.

Parts needed: Control PCB (main), Sub PCB / touch panel PCB, Interconnect wiring harness

🛑 When to Call a Pro:
  • If error persists after basic reset and visual connection checks
  • If internal wiring looks damaged or inaccessible
  • If unsure about safely accessing internal components

Technical Specifications

wattage 3000W
component Heating Element
resistance 10-30 ohms
part_number DG94-00520A
voltage_rating 240V AC

Common Questions

What does E-85 error mean on Samsung Oven?

E-85 indicates a communication error between the oven's main control PCB and the touch panel, often leading to heating issues.

Can I fix Samsung Oven E-85 error myself?

Yes, you can attempt a basic reset by turning off the oven and restoring power after 60 seconds.

How much does it cost to fix E-85 error?

Repair costs for the E-85 error range from ¥15,000 to ¥60,000, including parts and labor.

When should I call a technician for E-85?

Call a technician if the error persists after a reset, if there is visible damage to wiring, or if you cannot safely access internal components.

Data last verified: 2026-01-10

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