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11. Check the unit for excessive noise or vibration and
any coolant, oil, or fuel leaks before applying any
loads.
12. Check that the AC output voltage is correct. The
output voltage can be fine adjusted by using the
fine voltage adjustment screw (rheostat). Refer to
Fine Voltage
Adjustment.
13. Check that the frequency (Hz) is correct. With no
loads connected to the generator, the frequency
should read approximately 60 Hz, depending on
the type of engine governing used.
14. If all wiring connections have been attached and
secured correctly, switch the main circuit breaker to
the ON (I) position, and then add any loads
attached to the generator output connection lugs.
To supply power to the receptacle panel, the
receptacle panel main circuit breaker, then the
receptacle circuit breaker, must be in the ON (I)
position. You will notice a slight change in engine
sound when a load is applied to the unit.
Starting the Unit—Auto/Remote
The Auto button is used when the unit is started from a
location other than the control panel and by using a
transfer switch. Auto (remote) start is the normal setting
when the unit is being used as a standby power supply.
Before putting the unit in the Auto mode, review
Checklist
and
Starting the
safety warnings and information on isolating the
generator with a transfer switch if the unit is to be used as
a standby power supply. Refer to
continue with the steps described below:
1. Perform a manual start of the unit at least once to
verify the engine is operating correctly.
2. To check the remote start circuit, do the following:
a. Remove the wires from the remote start terminal
block.
b. Press Auto. The LCD window should highlight
AUT in the upper left corner.
c. Attach a jumper wire (minimum 16 gauge)
across the two terminals on the remote start
terminal block. This applies a ground to the
Magnum Digital Controller (MDC) to close the
starting circuit contacts. The engine should
crank, start, and run.
d. Remove the jumper wire from the remote start
terminal block and the engine will stop.
e. Reconnect any necessary wires from the remote
start switch (transfer switch) to the remote start
terminal block.
3. Confirm unit is in Auto mode. The LCD window
should have AUT highlighted in the upper left
corner.
4. Close the main circuit breaker (set to ON (I)).
Owner's Manual for MLT Light Tower
Prestart
Unit—Manually. Follow all
Transfer
Switch, then
5. Secure the unit by closing and locking all access
doors.
6. The unit is now ready for remote starting.
Automatic Shutdown
This unit is equipped with a low oil pressure and high
coolant temperature automatic shutdown system. This
system will automatically shut off the fuel supply to stop
the engine if oil pressure drops too low or the engine
exceeds normal operating temperature. Return the main
circuit breaker to the OFF (O) position to reset the unit
after the cause of shutdown has been determined.
Light Operation
WARNING
Burn hazard. Never operate lights with a
damaged or missing lens cover. Lamps are
hot and pressurized while in use. Unprotected
lamps can shatter, causing severe injury.
1. Verify the unit is on and running smoothly.
2. See
Figure
3-18. Switch the main circuit breaker
(A) ON (I).
3. Switch the lights and receptacle panel main circuit
breaker to the ON (I) position.
4. Switch the individual circuit breakers for the lights
(B) ON (I), one at a time.
5. The ballast indicator lights (C) will turn on and
continue to get brighter as the lights warm up, and
then remain on. This confirms power is coming
from the ballasts to the lights.
A
Figure 3-18. Light Switches and Breaker
NOTE: If an indicator light does not turn on, see
Troubleshooting
or contact a Generac Mobile Products
Authorized Service Dealer.
NOTE: The lights require a warm up period of 5-15
minutes before they reach full output. If the lights are shut
Operation
(000277)
B
C
MAN AUT
Ready
PF
0.00
RPM
0
0
0
k
004537
23
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Troubleshooting
