Yamaha F20A, Service Manual

Page: 390 / 444

8-17
– +
ELEC
E
IGNITION CONTROL SYSTEM
LOW-OIL-PRESSURE WARNING
LAMP
1. Check:
●
LED (light emitting diode)
Does not light
→
Replace.
CAUTION:
Only use a penlight battery (1.5V) when
checking the LED. Other batteries (e.g.,
alkaline batteries, high-voltage batteries)
will damage the diode.
NOTE:
The LED’s diode only allows current to flow
in one direction. Therefore, if the LED does
not light, reverse the connection.
Battery voltage:
1.5 V
Yellow/Red lead
→
Positive terminal.
Pink/White lead
→
Negative terminal.