Winco PSS20000/E - Manual (Page 14)

PAGE 12
TROUBLESHOOTING TABLES
UNIT WILL NOT CRANK WHEN THE
POWER FAILS.
1. Alarm light on from previous run cycle.
2. Generator control switch not in “AUTOMATIC”
position.
3. Transfer control switch not in “AUTOMATIC”
position.
4. Low or dead battery.
5. Incorrect wiring between transfer switch and
generator.
6. Defective start stop relay in the transfer switch.
7. Circuit breaker tripped on engine control panel.
8. 3/4 amp fuse blown inside engine control.
9. Defective engine control module.
10. Loose or dirty battery terminals.
11. Defective “Run/Auto” switch on generator or
transfer switch.
12. Defective starter.
13. Defective start solenoid.
14. Defective remote start solenoid
ENGINE WILL NOT CRANK WITH GENERATOR
SELECTOR SWITCH IN THE RUN POSITION.
1. Battery dead.
2. DC circuit breaker on control module tripped.
3. 3/4 amp fuse blown inside control module.
4. Defective engine controller.
5. Loose or dirty battery terminals
6. Defective “Run/Auto” switch on generator.
7. Defective starter.
8. Defective start solenoid.
9. Defective remote start solenoid.
10. Locked up engine generator set.
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 AND
A FAULT LIGHT COMES ON.
1. Engine is low on oil.
2. Engine has high water temperature.
3. Engine has gone into overspeed.
4. Engine has gone into overcrank.
5. No output signal from engine ignition module to
engine control module.
ENGINE WILL NOT COME UP TO SPEED
AFTER IT STARTS.
1. Insufficient fuel volume getting to the unit.
a.
Fuel line too small.
b. Fuel pressure to low.
2. Fuel load block needs to be adjusted.
3. Governor is out of adjustment.
4. AC short in generator components.
5. Wiring to the A.T.S. panel crossed or shorted.
6. Unit is overloaded, check load amperage.
ATS PANEL WILL NOT TRANSFER TO
EMERGENCY SUPPLY(GENERATOR).
1. No AC generator output from generator.
2. Broken or defective mechanical/electrical inter
locks.
3. Defective holding coil in the generator side
contactor.
4. Wiring error between generator and transfer
switch.
5. Defective start/stop relay in ATS.
ATS PANEL WILL NOT PULL IN ON
NORMAL POWER.
1. Proper normal line power not available at line
terminals in ATS panel.
2. Defective holding coil in line side contactor.
3. Broken or defective mechanical/electrical
interlocks.
4. Defective start/stop relay in ATS.
5. Three phase AC is wrong rotation for three phase
power monitor. (Three phase units only)
NO AC OUTPUT FROM GENERATOR
1. Defective rectifier.
2. Defective capacitor.
3. Defective armature.
4. Defective field coils.
5. AC short in the output leads.
6. Unit has lost its residual voltage.
7. Low engine speed, must be 3600 RPM.
8. Defective Voltage Regulator