Yamaha JW-II Service Manual page 26

Service At Delivery
Buzzer Sounds
Buzzer sound
"Pi"
One short sound
"Pi Pi Pi Pi"
Four repeated short
sounds
"Pi——"
Long sustained sound
LED indications
Indication
Goes off after lighting
for 3 seconds
Slow blinking
(1 second cycle)
Rapid blinking
(0.25 second cycle)
Lights
LED for warning
1 When the power switch is turned on. (LED lights for 3 seconds)
2 When the power is turned off by auto-off function.
Battery remaining power warning (LED slow blinking) (Power assited
travel will shortly be disabled)
1 Battery has run down. (LED lights)
2 Malfunction of an electrical device. (LED lights)
3 Turning the power on while force is applied to the hand rim. (LED rapid
blinking)
4 Connector between the right and left wheels is disconnected. (LED
rapid blinking)
When the power switch is turned on
Battery remaining power warning
1 When power is turned on while applying force to the hand rims.
2 When power is turned on while connector between right and left
wheels is disconnected.
3 When there is a malfunction which is equivalent to 1 or 2.
1 Battery has run down.
2 When there is a malfunction in an electrical device.
Explaining
Characteristics to the User
When it sounds
When it is indicated
REFERENCE
LED : Abbreviation for Light Emitting Diode.
The has three red LEDs as indica-
tion lights for warning and service (refer
to page 18).
23
Operation