mypros+
Error code reference

Samsung Range Error Code E-83

Main PCB communication error between Sub PCB and Main PCB.

Samsung codesSamsung range codes

Main PCB communication error between Sub PCB and Main PCB.

First step from the service manual

Check whether connector TE400 on Sub PCB and CN201 on Main PCB have been inserted.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

MyPros+ Max

Get the full diagnostic procedure for E-83.

  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
Get the full procedure

$29/month · Cancel anytime · Or $9.95 3-day pass

What E-83 means on a Samsung range

The E-83 error code on a Samsung range indicates a communication failure between the Sub PCB and the Main PCB. These two control boards exchange data continuously to coordinate oven and cooktop functions, and when that signal path breaks down, the appliance loses the ability to operate safely or correctly. The error is the range's way of reporting that the Main PCB is not receiving expected data packets from the Sub PCB, or vice versa.

The most common point of failure in this communication loop is the physical connector interface between the two boards. Samsung diagnostics specifically identify connector TE400 on the Sub PCB and connector CN201 on the Main PCB as the first items to inspect. A loose, partially seated, or corroded connector at either of these points will interrupt the communication signal and trigger E-83. Heat cycling inside the range cabinet can cause connectors to work loose over time, making this a realistic cause even on units that have not been serviced.

Beyond loose connectors, the wiring harness that runs between the two boards can suffer from damaged insulation, broken wires, or pin-level corrosion inside the connector housing. If the connectors are fully seated and undamaged, the fault shifts to the boards themselves. Either the Sub PCB or the Main PCB may have failed internally, preventing proper serial communication. Identifying which board is at fault typically requires confirming harness continuity first and then testing or substituting the boards individually.

Source: manufacturer service documentation.

Common causes of E-83

  1. 01

    Loose or unseated connector at TE400 or CN201

    Wiring / connection

    The connectors linking the Sub PCB and Main PCB can work loose from heat cycling over time. Pressing both TE400 on the Sub PCB and CN201 on the Main PCB firmly into their sockets is the first and most important diagnostic step.

  2. 02

    Damaged or broken wiring harness

    Part replacement

    The harness running between the two boards may have cracked insulation, a broken wire, or a bent pin inside a connector housing. Visually inspect the full length of the harness and check continuity on each wire.

  3. 03

    Corroded connector pins

    Wiring / connection

    Moisture or grease contamination inside the TE400 or CN201 connector housings can cause corrosion that degrades the signal connection even when connectors appear seated. Inspect pins closely and clean with electronic contact cleaner if corrosion is present.

  4. 04

    Failed Sub PCB

    Part replacement

    If the harness and connectors check out correctly, the Sub PCB itself may have developed an internal fault preventing it from communicating. Replacing the Sub PCB is the next step after ruling out wiring issues.

  5. 05

    Failed Main PCB

    Part replacement

    The Main PCB can also fail internally in a way that disrupts communication with the Sub PCB. This is typically diagnosed last, after confirming the harness and Sub PCB are functioning correctly.

See the test procedure for each cause

Frequently asked questions about E-83

What does E-83 mean on a Samsung range?
E-83 means the Main PCB and Sub PCB inside your Samsung range have lost communication with each other. The two control boards need to exchange data continuously to operate the range correctly, and this error appears when that signal link fails. The most common starting point for diagnosis is checking whether the connectors TE400 on the Sub PCB and CN201 on the Main PCB are fully and firmly seated.
Can I fix E-83 on my Samsung range myself?
A knowledgeable DIYer can start by unplugging the range, accessing the control board area, and checking that connectors TE400 and CN201 are fully seated and free of corrosion. If reseating the connectors does not clear the error, diagnosing and replacing a failed PCB is more complex and typically benefits from professional service. Always disconnect power before handling any internal components.
Is it safe to use my Samsung range while E-83 is displayed?
You should not continue using the range while E-83 is active. A communication failure between the Sub PCB and Main PCB means the appliance cannot reliably coordinate its own control systems, which creates unpredictable behavior. Disconnect power and avoid operating the unit until the fault is diagnosed and repaired.
Will resetting my Samsung range clear the E-83 error?
Cycling power by unplugging the range for a few minutes may temporarily clear the display, but E-83 will return if the underlying communication fault is still present. A reset does not fix a loose connector, damaged harness, or failed board. A proper repair addressing the root cause is required for the error to stay cleared.
How much does it cost to repair a Samsung range E-83 error?
If the fix is simply reseating a loose connector, there may be no parts cost at all, though a service call fee typically applies if a technician performs the work. If a wiring harness or one of the PCBs needs replacement, repair costs can range from roughly 150 dollars to over 400 dollars depending on which component is at fault and local labor rates. Getting a diagnostic estimate before authorizing parts replacement is advisable.

Related Samsung range codes

All Samsung range codes
View all 72 Samsung range codes

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass