KING-METER TECHNOLOGY CO., LTD
No.15, Chenchang Road, Beichen Dist.Tianjin,300134,
CN
Fax：+0086 022 8478 0358 Tel: +0086 022 8478 0378
12
Table 1: Error code definition
Error Code Definition
21 Current Abnormal
22 Throttle Abnormal
23 Motor phase loss
24 Motor Hall signal is abnormal
25 Abnormal brake power sensor
30
BMS/Controller/Abnormal
display communication
8. FAQ
Q: Why can’t turn on the display?
A: Please check whether the battery is turned on or the leakage lead wire is broken
Q: How to deal with the error code display?
A: Contact the e-bike maintenance station in time.
9. Quality Assurance and Warranty Scope
I, Warranty Information:
1, King-Meter will be responsible for all faults arising during normal operation that are caused
by a quality defect.
2, The warranty time is 24 months from the day the display leaves the factory.
II, The following are not covered by warranty:
1, Shell opened.
2, Connector damaged.
3, After display out of factory, the shell is scratched or damaged.
4, Lead wire of display scratch or break.
5, The fault or damage is caused by the force majeure (such as fire, earthquake, etc.) or
natural disasters (such as lighting, flooding, etc.)
6, Product exceeded warranty period.
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