mypros+
Error code reference

GE Refrigerator Error Code Pc Er

No communication for 10 seconds between control panel and main board

GE codesGE refrigerator codes

No communication for 10 seconds between control panel and main board. Refrigerator continues to operate normally.

First step from the service manual

Check communication circuit on main board and/or control panel board, or check for loose connection.

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 Pc Er.

  • 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 Pc Er means on a GE refrigerator

The Pc Er code on a GE refrigerator indicates that the main control board has lost communication with the control panel board for a continuous period of 10 seconds or longer. These two boards exchange data through a dedicated communication circuit, and when that signal is interrupted or absent, the refrigerator logs this fault code. Notably, the refrigerator continues to operate normally during this condition, meaning cooling functions are maintained even while the error is active.

The communication circuit runs between the user interface control panel (typically mounted on the dispenser or door) and the main board located in the machine compartment or rear of the unit. A break anywhere along this circuit, whether at a connector, in the wiring harness, or within either board itself, can cause the 10-second timeout that triggers the Pc Er code.

The most common causes are loose or corroded wire harness connectors at either board, followed by a failed control panel board or a failed main board. Diagnostics should begin by inspecting all connectors in the communication circuit for secure seating, corrosion, or damaged pins before condemning either board. If connections are intact, resistance and voltage checks on the communication wiring can help isolate the fault to a specific board.

Source: manufacturer service documentation.

Common causes of Pc Er

  1. 01

    Loose or disconnected wire harness connector

    Wiring / connection

    The connectors linking the control panel board to the main board can work loose over time due to vibration. Inspect all connectors in the communication circuit at both boards and reseat any that are not fully engaged.

  2. 02

    Corroded or damaged connector pins

    Wiring / connection

    Moisture or age can corrode the pins inside the communication circuit connectors, increasing resistance and breaking the signal. Look for green or white buildup on pins and check for bent or pushed-back terminals.

  3. 03

    Failed control panel board

    Part replacement

    The user interface board on the door or dispenser can fail internally, preventing it from sending or receiving communication signals. If wiring checks out, the control panel board is the next component to suspect.

  4. 04

    Failed main control board

    Part replacement

    The main board may lose the ability to communicate through its panel interface circuit while still maintaining core refrigeration functions. This is typically diagnosed after ruling out wiring issues and the control panel board.

  5. 05

    Damaged wiring harness

    Part replacement

    A pinched, chafed, or broken wire in the harness between the two boards can interrupt communication. Trace the full length of the harness and look for visible damage, especially near door hinges or areas with sharp edges.

See the test procedure for each cause

Frequently asked questions about Pc Er

What does Pc Er mean on a GE refrigerator?
Pc Er indicates that the control panel board and the main control board have not been able to communicate with each other for at least 10 seconds. The code points to a fault in the communication circuit connecting these two boards. Despite the error, the refrigerator continues to run and cool normally. Diagnostics should start with checking the wiring and connectors between the two boards.
Will resetting my GE refrigerator clear the Pc Er code?
A power reset, such as unplugging the unit for a few minutes, may temporarily clear the code if a minor glitch caused the communication failure. However, if the underlying issue is a loose connector, damaged wire, or failed board, the code will return once power is restored. A reset is a reasonable first step, but a physical inspection of the communication circuit should follow if the code reappears.
Is my food safe when the Pc Er code is showing?
Yes, food safety is not an immediate concern with the Pc Er code because the refrigerator continues to operate and maintain temperature normally. The error only indicates a communication problem between two boards and does not affect the compressor or cooling system. You should still address the fault to prevent the issue from progressing or masking other problems.
How do I fix the Pc Er error on a GE refrigerator?
Start by inspecting the wire harness connectors at both the control panel board and the main board for any that are loose, corroded, or damaged. Reseat all connectors firmly and check the harness for any pinched or broken wires. If connections are secure and the code persists, testing or replacing the control panel board is the next step, followed by the main board if the panel board is not the cause.
How much does it cost to repair a GE refrigerator showing Pc Er?
If the fix is simply reseating a loose connector, there is no parts cost involved. A replacement control panel board typically runs in the range of $75 to $200 depending on the model, while a main control board can range from $100 to $300 or more. Labor costs for a service call generally add $100 to $200 on top of parts, though costs vary by region and technician.

Related GE refrigerator codes

All GE refrigerator codes
View all 540 GE refrigerator codes

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

Get Started

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