Sony BRAVIA TV Error Codes

Complete Sony BRAVIA TV Guide

This guide explains all Sony BRAVIA TV error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.

E5
Temperature Protection Fault
  • Turn off the TV and unplug from power.
  • Allow the unit to cool in a ventilated area.
  • Ensure vents are not blocked by dust or objects.
  • Restart after 10–15 minutes.
1 Blink
Backlight Failure
  • Check backlight LED strips for damage.
  • Inspect power supply to backlight circuit.
  • Test brightness settings and reset TV.
  • Replace backlight strips if defective.
2 Blink
Power Supply Error
  • Check AC power source and cable.
  • Inspect power board capacitors for bulging.
  • Reset TV by unplugging for 5 minutes.
  • Replace PSU board if fault persists.
3 Blink
Main Board Failure
  • Power cycle the TV completely.
  • Check internal board connections.
  • Update firmware if TV boots.
  • Replace main board if issue continues.
4 Blink
T-Con Communication Error
  • Inspect ribbon cable between T-Con and panel.
  • Reseat all display connectors.
  • Test with different input source.
  • Replace T-Con board if necessary.
5 Blink
T-Con Board Failure
  • Check T-Con board connection securely.
  • Inspect ribbon cables for damage.
  • Power reset the TV.
  • Replace T-Con board if required.
6 Blink
Backlight Inverter Fault
  • Inspect LED backlight strips.
  • Check inverter circuit board.
  • Test power output levels.
  • Replace backlight system if faulty.
7 Blink
Power Surge / PSU Overload
  • Disconnect TV from power immediately.
  • Check voltage stability at outlet.
  • Inspect fuse and power board.
  • Replace PSU if damage is detected.
8 Blink
Audio System Failure
  • Test external speakers/headphones.
  • Check audio IC on main board.
  • Reset sound settings to default.
  • Replace audio amplifier section if needed.
9 Blink
Main Board Communication Error
  • Power cycle the TV.
  • Check ribbon cable connections.
  • Inspect motherboard for damage.
  • Replace main board if issue persists.
10 Blink
Panel Display Error
  • Check panel flex cable connections.
  • Inspect T-Con to panel interface.
  • Test screen with different input source.
  • Replace display panel if necessary.
11 Blink
Cooling Fan Failure
  • Check internal cooling fan for dust.
  • Verify fan spins during startup.
  • Clean ventilation system.
  • Replace fan motor if faulty.
12 Blink
Thermal Protection Triggered
  • Turn off TV immediately.
  • Allow cooling in open ventilated space.
  • Remove dust buildup inside vents.
  • Restart after temperature stabilizes.
13 Blink
HDMI Signal Processing Error
  • Check HDMI cable and ports.
  • Switch to another input source.
  • Restart both TV and connected device.
  • Update firmware if available.
14 Blink
Firmware Corruption
  • Perform soft reset of TV.
  • Reinstall firmware via USB update.
  • Disconnect external devices.
  • Factory reset if necessary.
15 Blink
Wi-Fi / Network Module Failure
  • Restart router and TV.
  • Forget and reconnect Wi-Fi network.
  • Check network settings and DNS.
  • Replace Wi-Fi module if required.

Frequently Asked Questions


Why does my Sony BRAVIA TV show system error or ERR messages?
ERR messages on Sony BRAVIA TV usually indicate software glitches, main board communication issues, overheating protection, backlight failure, power supply instability, or system memory errors. Turn off the TV, unplug it for a few minutes, then restart. Check power source, HDMI connections, and ensure proper ventilation.
Why does my Sony BRAVIA TV freeze or restart randomly?
This is often caused by corrupted firmware, overheating, unstable power supply, or faulty internal components. Power off the TV, allow it to cool, check for system updates, and perform a soft reset.
Why does my Sony BRAVIA TV not turn on?
Check power cable, outlet, remote batteries, and power board condition. Ensure standby light is on. Try unplugging the TV for 5–10 minutes before restarting.
Why does my Sony BRAVIA TV have no picture but has sound?
This may be caused by backlight failure, T-Con board issues, loose internal ribbon cables, or panel errors. Test brightness settings and restart the TV.
Why does my Sony BRAVIA TV overheat?
Overheating is usually caused by dust buildup, poor ventilation, or blocked air vents. Turn off the TV, clean vents carefully, and ensure proper airflow around the unit.
Why does my Sony BRAVIA TV not respond to the remote?
This can be caused by remote battery failure, IR sensor blockage, or system freeze. Replace batteries, restart the TV, and check the sensor area for obstruction.
Why does my Sony BRAVIA TV have distorted or flickering display?
Display issues may be caused by backlight inverter failure, T-Con board malfunction, loose ribbon cables, or panel damage. Power cycle the TV and check HDMI sources.
Why does my Sony BRAVIA TV show no signal?
No signal errors are usually caused by incorrect input selection, faulty HDMI cable, or disconnected external device. Switch inputs and test with another HDMI cable.
Why does my Sony BRAVIA TV not connect to Wi-Fi?
This may be caused by router issues, weak signal, or network configuration errors. Restart the router, reconnect Wi-Fi, and update network settings.
How do I reset my Sony BRAVIA TV system errors?
Unplug the TV for 5–10 minutes, then restart. If issues persist, perform a factory reset through settings or enter recovery mode if available.
When should I service my Sony BRAVIA TV?
Service is recommended if the TV repeatedly shuts down, shows persistent error codes, has no display, or suffers from ongoing hardware or power issues.
Important: Sony BRAVIA TV system messages are designed to protect internal components such as the main board, power supply, backlight system, T-Con board, and display panel. If problems continue after troubleshooting, contact Sony authorized service support.