Delta GR150 Operations Instructions download pdf (Page 16)

Page 14

1285-00

60708-153

TROUBLESHOOTING TABLES

Note: Before doing any troubleshooting, check the digital

display on the DGC-2020. Normally it will tell why the unit has

failed. This will shorten your troubleshooting time and in

many cases prevent the replacement of parts that may not be

defective.

UNIT WILL NOT CRANK WHEN THE POWER FAILS.

1. Digital Genset Controller not in "AUTO"

2. Transfer control switch not in "AUTOMATIC"

position.

3. Incorrect wiring between transfer switch and

generator.

4. Defective control relay in the transfer

switch.

5. Fuse (s) blown in the Digital Genset Controller.

6. Defective Digital Genset Controller

7. Loose or dirty battery terminals.

8. Defective starter.

9. Defective start solenoid.

10. Dead Battery

ENGINE WILL NOT CRANK WITH GENERATOR

RUN PUSH-BUTTON DEPRESSED.

1. Battery dead.

2. Blown DC fuses on the Digital Genset Controller

tripped.

3. Defective Digital Genset Controller.

4. Loose or dirty battery terminals.

5. Defective "Run/Auto" switch on generator.

6. Defective starter.

7. Defective start solenoid.

8. Locked up engine genset.

ENGINE CRANKS BUT WILL NOT START

1. Improper fuel delivery to the unit.

2. Fuel supply shut off.

3. Fuel tank empty.

4. Defective demand regulator.

5. Fuel solenoids not opening.

6. Defective CANBus on the engine

ENGINE STARTS AND THEN STOPS AND ALARM

LIGHT COMES ON

1. Engine is low on oil.

2. Engine has high water temperature.

3. Engine has overspeed.

4. Engine has gone into overcrank.

5. No output from AC generator.

6. Loss of speed signal.

7. Loss of run signal.

ENGINE WILL NOT COME UP TO SPEED AFTER IT

STARTS

1. Insufficient fuel volume getting to the unit.

a. Too small of fuel line.

b. Fuel solenoid or demand regulator not opening

properly.

c. Fuel supply is too small (Tank & Meter)

2. Governor is defective.

3. AC short in generator components.

ATS PANEL WILL NOT TRANSFER TO EMERGENCY

SUPPLY (GENERATOR)

1. No AC generator output from generator.

2. Defective ATS control board. See applicable

transfer switch manual .

3. Circuit breaker between generator and transfer

switch is either open or defective.

ATS PANEL WILL NOT RETRANSFER TO NORMAL

POWER

1. Proper normal line power not available at line

terminals in ATS panel.

2. Defective ATS control board. See applicable

transfer switch manual .

NO AC OUTPUT FROM GENERATOR

1. Defective diode.

2. Defective voltage regulator.

3. Defective rotor.

4. Defective stator.

5. Defective exciter rotor.

6. Defective exciter stator.

7. AC short in the output leads.

8. Defective field circuit breaker.

9. Wiring error

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Delta GR150 Operations Instructions Page 16

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