Yamaha EF2800i - Inverter Generator, Service Manual

Page: 89 / 103

4-12
– +
ELEC
CHARGING SYSTEM
LESS THAN
14.0 V
GOOD
3. DC charge coil resistance
•
Disconnect the DC charge coil
1
leads.
• Connect the pocket tester.
• Measure the DC charge coil resistance.
DC charge coil resistance
Blue-Blue: 0.06 ~ 1.00
Ω
*
OUT OF SPECIFICATION
Replace the DC charge coil.
R
×
1
L
L
1
SVU4210
GOOD
4. Inspect the rectifier continuity
•
Disconnect the rectifier
1
leads.
• Connect the pocket tester (
Ω
× 1).
Check for continuity at following
points:
Pocket tester connecting point Continuity
(+) Red (–) Black
Red terminal
2 Blue terminal 4
NO
Blue terminal 4
Red terminal
2
YES
Red terminal
2 Blue terminal 5
NO
Blue terminal
5
Red terminal
2
YES
Black terminal
3
Blue terminal
4
YES
Blue terminal
4
Black terminal
3
NO
Black terminal
3 Blue terminal 5
YES
Blue
terminal
5
Black terminal
3
NO
NO GOOD
Replace the rectifier.
R
B
L
L
B
R
×
1
4
5
3
2
3
4
2
1
5
1
SVU4220
5. Inspect the DC circuit breaker continuity.
•
Disconnect the DC circuit breaker
1
leads.
• Connect the pocket tester (
Ω
× 1).
Continuity:
“RESET” Position
a
→
YES
“POP OUT” Position
b
→
NO
NO GOOD
Replace the circuit breaker.
R
×
1
1
SVU4230