Winco PSS15B2W-18/A - Manual (Page 12)

PAGE 10 60706-170 4190-10
ENGINE CRANKS BUT WILL NOT START.
1. Improper fuel pressure being delivered to unit.
2. Fuel supply shut off.
3. Fuel tank empty.
4. Defective spark plug.
5. Defective engine ignition module.
6. Dirty air cleaner filter.
7. Defective fuel solenoid valve.
8. Low voltage from battery to fuel solenoid, must
hold 12 volts during cranking.
ENGINE STARTS AND THEN STOPS.
1. Engine is low on oil.
2. Faulty oil lpressure switch on engine.
ENGINE WILL NOT COME UP TO SPEED
AFTER IT STARTS.
1. Insufficient fuel volume getting to the unit.
a.
Fuel line too small.
b. Low fuel pressure.
2. AC short circuit.
3. Wiring to the A.T.S. panel crossed or shorted.
4. Unit is overloaded, check load amperage.
ATS PANEL WILL NOT TRANSFER TO
EMERGENCY SUPPLY (GENERATOR).
1. No AC generator output from generator.
2. Wiring error between generator set and transfer
switch.
3. See ASCO manual for ATS troubleshooting.
4. Phase rotation is not correct.
ATS PANEL WILL NOT PULL IN ON
NORMAL POWER.
1. Proper normal line power not available at line
terminals in ATS panel.
2. See ASCO manual for ATS troubleshooting.
3. Phase Rotation is not correct
NO AC OUTPUT FROM GENERATOR.
1. Diodes on rotor blown.
2. Defective Automaic Voltage Regulator.
3. Defective rotor.
4. Defective stator.
5. AC short in the output leads.
6. Unit has lost its residual voltage.
7. Rotor loose on engine crankshaft.
8. Low engine speed, must be 3600 RPM.
9. AC short on output leads.
PREVENTIVE MAINTENANCE
Reasonable care in preventive maintenance will insure
high reliability and a long life for the engine generator set
and the Automatic Transfer Switch.
*************
***** WARNING ****
*************
When performing any type of maintenance on this
equipment make sure the selector switch on the engine
generator is in the off position. If you are working in the
Automatic Transfer Switch, confirm with a reliable meter
that all power has been disconnected.
AUTOMATIC TRANSFER SWITCH
Clean and inspect the switch once a year. De-energize
all power sources, both line and engine generator set,
then brush and vacuum away any excessive dust and
dirty accumulation. You can at this time with the contactor
de-energized remove the contactor covers and check the
contacts. Make sure the contacts are clean and not
burned or pitted.
ENGINE GENERATOR SET
Service the engine in accordance with the engine
manufacturers manual provided with your new equipment.
Routinely remove debris and dirt from around and inside
generator enclosure. Insure that the air intakes are free
from leaves and other debris at all times.
Clean and inspect battery terminals at least twice a year.
Check the battery water level at least twice a year also.
Other than keeping the generator clean and free of
debris there is no other routine or preventive mainte-
nance required, as long as the generator is run once a
week to keep it dry and in good working order.