E-12 HOSON 汉森
Applies to: DTF（带平台/烘干加热机型） · Firmware: v2.3 - v3.1
What the customer sees
Platform or dryer not heating; E-12 shown.
Most likely causes (ranked)
45% Heating element damaged
30% Temperature sensor failure
25% Solid-state relay failure
4 steps the customer can do
1
Power off and visually check the element for blackening or bulging.
2
Check the controller's set value.
3
Photograph the error and controller reading.
4
Stop using heating and wait for a technician.
3 technician steps
1
Measure element resistance.
2
Replace sensor or SSR.
3
Check heating-circuit wiring.
3 customer prohibitions
Related parts: 发热管 / 热电偶 / 固态继电器
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.