E-18 HOSON 汉森
Applies to: DTF / 写真机（汉森板） · Firmware: v2.3 - v3.1
What the customer sees
E-18 after a firmware upgrade; the machine will not boot.
Most likely causes (ranked)
60% Wrong firmware package version
30% Upgrade interrupted mid-process
10% Mainboard memory chip abnormal
4 steps the customer can do
1
Stop any further upgrade attempts immediately.
2
Record the current firmware version and the error.
3
Photograph the upgrade screen and the error.
4
Leave it as-is and contact a technician.
3 technician steps
1
Re-flash firmware with official tools.
2
Verify the mainboard memory chip.
3
Replace the mainboard if needed.
3 customer prohibitions
Related parts: 主板（含刷机夹具）
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.