Generac Power Systems MLTS Owner's Manual page 54

Troubleshooting Controller Fault Indicators
See 5-1. When a fault occurs, the engine shuts off and an LED indicator illuminates on the controller.
Figure
Illuminated Indicates Fault
LED
A Low engine oil pressure or
high engine coolant temperature
A+C
Engine overspeed or
engine underspeed
C Fail to crank
(AUTO mode only)
B+C Loss of speed signal
IMPORTANT NOTE: To clear controller faults, press and hold the Fault Indicator button
onds.
Owner's Manual for Mobile Light Tower
B C
A
Figure 5-1. Fault Indicator Button
Resolution
See General Troubleshooting
coolant temperature.
Check connection on W terminal of DC Charge Alternator
1.
(MLTS)—WH/VI to pin-9 or Engine ECU (MLTS-K) on the Power
Zone controller.
Inspect function of DC charge alternator.
2.
Inspect tension of DC charge alternator drive belt.
3.
Contact Generac Mobile.
4.
See
General Troubleshooting
Check connection on W terminal of DC Charge Alternator
1.
(MLTS)—WH/VI to pin-9 or Engine ECU (MLTS-K) on the Power
Zone controller.
Inspect function of DC charge alternator.
2.
Inspect tension of DC charge alternator drive belt.
3.
Contact Generac Mobile.
4.
Troubleshooting
010580
—low oil pressure & high engine
—fail to crank
(Figure 5-1) for three sec-
49