The T319 is the LED "display" that only has buttons, the KM529-LCD is the LCD display that shows speed, millage, battery level, etc. Manuals are attached at bottom.
For both displays:
-To turn the headlight on (and the backlight for the display on the KM529) hold the + button for 2 seconds. To turn it off hold the + button for 2 seconds again.
-To engage "walk mode" hold the - button for 2 seconds. This will engage the motor in low speed without pedaling.
Error codes for KM529:
||Inspect if motor phrases short-circuits
||Inspect if throttle recover original state
||Inspect if motor phrase iswell-connected;Inspect if lines are well-connectedbetween motor phrases and controller.
|24||Motor Hall Signal Abnormality
||Non-Hall Controller ：Inspect if motorphrase is well-connected;Hall Controller：Inspect if motor hall iswell-connected.
||Inspect if brakes original state beforedisplay startup.
||Inspect if lines are well-connectedbetween display and controller.
Error codes for T319:
|indicator light flash(LOW level)
||0x21: abnormal current level
|indicator light flash(MED level)
||0x22: abnormal throttle level
|indicator light flash(LOW+MED level)
||0x23: motor phase level
|indicator light flash(HIGH level)
||0x24: Motor hall signal level
|indicator light flash(LOW+HIGH levels)
||0x25: brake level
|indicator light flash(LOW+MED+HIGH levels)
||0X30: Abnormal communicationlevel
remark：the display shut down after one minute when abnomal code exit
Contact info for KingMeter: firstname.lastname@example.org /email@example.com