Bosch televisions, though less common than Samsung or LG in Nairobi households, display specific error codes signaling power supply failures, T-Con board issues, backlight problems, and mainboard communication faults. Pro-Logic Technologies repairs all Bosch LED/LCD models (Serie 4-8, 2009-2020) with 95% first-time fix rates using OEM boards stocked locally.

By Pro-Logic Technologies › 0723763173

We diagnose via service menu (Menu > 1-9-6-3-OK) and multimeter testing, covering Luthuli Avenue to Westlands within 2 hours.

Common Bosch TV Error Codes & Fixes

Power Supply & LED Errors

E:01 / 01:EE
Power board failure—standby voltage drops below 5V.
Fix: Replace 24V/5V power supply unit (KSh 4,500). 70% of service calls.
E:02 / 02:EE
Backlight inverter fault—no LED drive signal. Screen dark but audio works.
Fix: Swap LED driver board or strips (KSh 6,000-9,000). Test with flashlight.
E:03 / 03:EE
Main power relay stuck—TV clicks but no display.
Fix: Relay cleaning or power board rebuild (KSh 3,500).

T-Con & Panel Errors

E:04 / 04:EE
T-Con board timing sync loss—horizontal lines or half-screen color.
Fix: LVDS cable reseat + T-Con replacement (KSh 5,500). Common on 42-55″ panels.
E:05 / No Signal
Panel data error—vertical bars or flashing.
Fix: EEPROM reprogramming or panel swap (KSh 12,000+).

Audio & HDMI Errors

E:06 / Audio Drop
Audio processor IC failure—silent despite picture.
Fix: Audio board reflow or IC replacement (KSh 4,000).
E:HDMI / No Input
HDMI handshake timeout—devices not detected.
Fix: Firmware flash + EDID reset (KSh 2,500).

Network/Smart Errors (Serie 6+)

E:NET01 / Wi-Fi Fail
Wireless module disconnect—Smart Hub inaccessible.
Fix: Antenna realignment + module swap (KSh 3,800).
E:APP01 / App Crash
Linux kernel panic during streaming.
Fix: Factory reset + T-MSBVxxx firmware reload (KSh 2,000).

Overheat & Sensor Errors

E:TH01 / Thermal Shutdown
Temperature sensor >85°C—auto power-off.
Fix: Dust cleaning + thermal paste reapply (KSh 2,500).

Bosch-Specific Diagnostic Chart

Symptom	Error Code	Fault Location	Repair Cost (KSh)	Parts Availability
No Power	E:01	Power Supply	4,500	Stock
Dark Screen	E:02	Backlight	6,000-12,000	3 days
Lines/Bars	E:04	T-Con	5,500	Stock
No Sound	E:06	Audio Board	4,000	Stock
HDMI Fail	E:HDMI	Mainboard	8,000	2 days
Overheat	E:TH01	Sensors/Vents	2,500	Stock

Pro-Logic Repair Process

Free Diagnostic: Multimeter tests all voltages (3.3V, 5V, 12V, 24V).
Service Menu Access: Reveals hidden codes (Info > 1963).
Board-Level Repair: Reflow BGA chips before full swaps.
48-Hour Burn-In: Stress test ensures stability.
6-Month Warranty: Covers parts/labor.

Why Bosch TVs Fail in Nairobi

Dust: 40% overheat from blocked vents.
Power Surges: 30% power board kills (use stabilizers).
Humidity: 20% T-Con corrosion in coastal imports.

Pro-Logic stocks Bosch power boards (LDP-42D1, PLHL-4012A) and T-Cons unavailable at local shops. Unlike roadside hustlers, we match serial numbers for warranty validity.

Service Fees:

Diagnostic: Free (if repaired)
Labor: KSh 1,500/hour
Callout: KSh 1,000 (Nairobi)

Dial 0723763173 for Bosch specialists—Luthuli Avenue workshop open 7 days. prologictechnologies.co.ke—Nairobi’s multi-brand TV repair leader.

List of Bosch TV Error Codes that We Fix