Dc Circuit Breaker - Yamaha EF2400iS Service Manual

230 V/50 Hz,
220V/60Hz
1
230 V/50 Hz
1
230 V/50 Hz,
220V/60Hz
1
DC20V
230 V/50 Hz
1
DC20V

DC CIRCUIT BREAKER

a b
a b
a b
a b
2-20
DC CIRCUIT BREAKER
1. Check:
9 DC circuit breaker
Checking steps:
9 Press the reset button 1 to the position of
"RESET" a.
9 Connect the pocket tester (DC 20 V).
Pocket tester:
YU-03112, 90890-03112
Digital circuit tester:
90890-03174
9 Start the engine.
9 Measure the DC voltage.
DC voltage:
More than 12 V at 2,600 r/min
(with no load at AC output cur-
rent)
9 Set the reset button to "OFF" b.
Voltage is zero → OK
NOTE:
If the reset button pup out ("OFF") again, refer
to "GENERATOR SYSTEM" in CHAPTER 5.
INSP
ADJ