Komatsu Galeo PC27MR-2 Operation & Maintence Manual page 58

OPERATION
DETAILED CONTROLS AND GAUGES
Charge Level Monitor
If there is a problem in the charging when the engine is running, this
monitor (2) flashes and the buzzer sounds.
If the monitor flashes, stop the engine and check the V-belt
tension. If any problem is found, see "OTHER TROUBLE (PAGE
3-111)".
REMARK
While the starting switch is ON, the lamp will remain lit and will go
off once the engine is started.
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