E-05 HOSON 汉森
Applies to: DTF / 写真机（汉森板） · Firmware: v2.3 - v3.1
What the customer sees
E-05 at power-on; panel shows garbled text or black screen.
Most likely causes (ranked)
50% Flat cable poor contact / damaged
25% Carriage board failure
25% Mainboard failure
4 steps the customer can do
1
Power off 10 minutes, then restart once.
2
Visually check external cables for looseness or damage.
3
Photograph the error and panel state.
4
Keep it powered off and wait for a technician.
3 technician steps
1
Reseat or replace the flat cable.
2
Test the carriage board.
3
Test the mainboard.
3 customer prohibitions
Related parts: 扁平排线 / 小车板 / 主板
Start step-by-step diagnosis from this code →Contact an online technician (Human-Gate PENDING)← Error Codes
High-risk actions enter the Human-Gate queue and are never auto-executed.