Display Of Faults Detected By Diagnosis Mode - Yamaha PW series Original Instructions Manual

INSTRUMENT AND CONTROL FUNCTIONS
Residual battery
Error display
capacity lamp
Assist mode
Remaining assist
lamp
distance lamp

2 Display of faults detected by diagnosis mode

The e-Bike Systems are equipped with a diagnosis mode.
When you turn on the display unit's power, if there is a
malfunction or fault in the e-Bike Systems, the systems
notify you of the fault by flashing the assist mode lamp,
residual battery capacity lamp, remaining assist distance
lamp, and bicycle speed lamp alternately, and displaying
"Er" in the function display. See "TROUBLESHOOTING"
regarding symptoms and remedies for abnormal displays
Bicycle
and abnormal flashing.
speed lamp
WARNING
If a fault is displayed, have your bicycle inspected at a
dealer as soon as possible.