The T319 is the LED "display" that only has buttons, the KM529-LCD is the LCD display that shows speed, mileage, 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:
| Error Code | Definition | Solution |
| 21 | Current Abnormality | Inspect if motor phrases short-circuits |
| 22 | Throttle Abnormality | Inspect if throttle recover original state |
| 23 | Motor Abnormality | 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. |
| 25 | Brake Abnormality | Inspect if brakes original state beforedisplay startup. |
| 30 | Communication Abnormality | Inspect if lines are well-connectedbetween display and controller. |
Error codes for T319:
| Light Combination | Definition |
| 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: dan@king-meter.com /gary@king-meter.com
Manual for the 2019 Pulse: Display: 811132002-1707 and model # on the speed control is X008-AA002 is entitled: T320 LED.pdf
For the Gen 2 Pulse, if a brake lever is depressed while the bike is powering on you will get error 0x23 Motor Phase Level