PAGE 12
60706-186
7340-20
*************
***** WARNING *****
*************
WITH A TOTAL POWER FAILURE (UTILITY POWER
FAILS AND THE GENERATOR FAILS TO START AND
RUN) THE EXERCISER MUST BE RESET AFTER THE
POWER IS RESTORED.
This completes your installation and unit testing. AL-
WAYS leave the system in automatic mode unless
servicing the unit. For automatic operation, keep the
generator set mode switch in the “AUTOMATIC” position.
TROUBLESHOOTING
TABLES
*************
***** WARNING *****
*************
NEVER JUMP START THESE UNITS.
JUMP STARTING THESE UNITS WITH
LOW OR BAD BATTERIES WILL CAUSE
PERMANENT DAMAGE TO THE ENGINE
CONTROL MODULE.
UNIT WILL NOT CRANK WHEN THE
POWER FAILS.
1.
Generator control switch not in “ON”
position.
2.
Low or dead battery, must hold 12 volts during
cranking.
3.
Incorrect wiring between transfer switch and
generator.
4.
Circuit breaker tripped on engine control.
5.
Loose or dirty battery terminals.
6.
Defective “ON/DISABLE” switch.
7.
Defective starter.
8.
Defective start solenoid.
9.
Defective start/stop control in the transfer switch.
10. ATS panel in fault from previous run cycle.
11. Blown 3/4 amp fuse on generator control panel.
ENGINE WILL NOT CRANK USING AUTO/RUN
START SWITCH IN GENERATOR.
1.
Low or dead battery, must hold 12 volts during
cranking.
2.
DC circuit breaker on control module tripped.
3.
Blown 3/4 amp fuse on generator control panel.
4.
Loose or dirty battery terminals.
5.
Defective “AUTO/RUN/START” switch.
6.
Defective starter.
7.
Defective start solenoid.
8.
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.
9.
Oil in the bottom of air cleaner from crankcase
breather.
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.
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.
NO AC OUTPUT FROM GENERATOR.
1.
Diodes on rotor blown.
2.
Defective capacitor(s).
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.
