20
9. Trouble Shooting
9-1 Engine
Note: Refer to “ISUZU NONROAD DIESEL ENGINES MEETING INTERIM TIER 4 EMISSIONS
REGULATIONS E-IDSS introduction” for the details of the error code.
9-2 Generator
＜
Pre-check
＞
Always check the volume of oil, coolant, and fuel before processing to trouble
shooting.
Problem
Possible Cause
Inspection
Remedy
No output voltage.
1. Faulty volt meter.
2. Faulty generator.
1. Check the volt meter voltage.
2. Verify the exciting amperage and
resistance value.
1. Replace the volt meter.
2. Replace the generator.
(Refer to page 14)
No voltage increase 1. Faulty volt meter.
2. Faulty generator.
3. Faulty AVR or voltage
adjuster.
4. Slow rotation.
5. Faulty initial
excitation.
1. Check the volt meter voltage.
2. Verify the exciting amperage and
the value of resistance.
3. Broken wires, lose or disconnected
cable.
4. Check the rotation speed of the
engine.
5. Broken or loose the wire.
1. Replace the volt meter.
2. Replace the generator.
(Refer to page 14)
3. Repair or replace the parts.
4. Adjust the rotation speed
of the engine properly.
5. Repair.
Note: As this unit is equipped with a Tier 4 engine, use “E-IDSS” for is a diagnosis.
Summary of Contents for DGK25F
Page 1: ...File DGO 391_DGK25F SERVICE MANUAL DGK25F...
Page 8: ...5 4 General 4 1 Dimension Unit in the drawings below is shown by mm...
Page 9: ...6...
Page 29: ...11 Wiring Diagram 26...
Page 30: ...27...
