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Troubleshooting tables – Winco PSS65LS-*/B User Manual

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60706-144

Page 11

1017-10

If, when you finish programing the clock, you get an

EEEE on the display, it stands for error. The most com-
mon error is that the day of operation has not been prop-
erly set at each step or a progam has been turned on and
not turned off. i.e. programs not properly grouped 1& 2, 3 &
4, 5 & 6, etc.

On the face of the clock is a small button marked "R".

This is a reset switch. Depressing this switch will remove
all programing in the clock including the time, Use a small
screwdriver or the tip of a pencil to depress this button.
This should be used only as a last resort.

TROUBLESHOOTING TABLES

UNIT WILL NOT CRANK WHEN THE POWER
FAILS.

1.

Generator control switch not in "AUTOMATIC"
position.

2.

Transfer control switch not in "AUTOMATIC"
position.

3.

Incorrect wiring between transfer switch and
generator.

4.

Defective start stop relay in the transfer
switch.

5.

Circuit breaker tripped on engine control.

6.

3/4 amp fuse blown inside engine control.

7.

Defective engine control module.

8.

Loose or dirty battery terminals.

9.

Defective "Run/Auto" switch on generator or
transfer switch.

10. Defective starter.
11. Defective start solenoid.
12. 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 panel tripped.

3.

3/4 amp fuse blown inside control module.

4.

Defective engine controller.

5.

Circuit breaker tripped on engine control.

6.

Loose or dirty battery terminals.

7.

Defective "Run/Auto" switch on generator.

8.

Defective starter.

9.

Defective start solenoid.

10. Defective remote start solenoid.
11. Locked up engine genset.

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.

ENGINE STARTS AND THEN STOPS AND FAULT
LIGHT COMES ON

1. Engine is low on oil.
2. Engine has high water temperature.
3. Engine has oversped.
4. Engine has gone into overcrank.
5. No output from engine alternator to engage

stop crank circuit.

ENGINE WILL NOT COME UP TO SPEED AFTER
IT STARTS

1. Insufficent fuel volume getting to the unit.

a.

Too small of fuel line.

b.

Fuel pressure too low/high.

2. Fuel load block needs to be adjusted.
3. Governor is out of adjustment.
4. AC short in generator components.

ATS PANEL WILL NOT TRANSFER TO EMER-
GENCY SUPPLY (GENERATOR)

1. No AC generator output from generator.
2. Broken or defective mechanical/electrical

interlocks.

3. Defective holding coil in the generator side

contactor.

4. Wiring error between generator and transfer

switch.

ATS PANEL WILL NOT RETRANSFER TO NOR-
MAL 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.

NO AC OUTPUT FROM GENERATOR

1. Defective rectifier.
2. Defective surge suppressor.
3. Defective voltage regulator.
4. Defective rotor.
5. Defective stator.
6. Defective excitor rotor.
7. Defective excitor stator.
8. AC short in the output leads.
9. Defective field circuit breaker.

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