Meaning Of Error Code; Chart 4-1：Meaning Of Error Code - Shini SHD U-HD Series User Manual

shows F-04
3) F-04 is used to define LOCK function. Press
4) Press "ENTER" to confirm your setting.
5) If you choose LOCK in step 3, when you press "SET" "SV" displays "LOCK".

4.9 Meaning of Error Code

Chart 4-1：Meaning of Error Code
Error code
E-01
E-02
E-03
E-05
E-08
Meaning
Thermosensor break
Phase reversal
Overload
EGO cuts off the heater power
when it is overheating
Overheat
PCB problems
38(49)
to choose LOCK or OFF.