Trouble Shooting; Engine; Generator - Shindaiwa DGK25F Service Manual

9. Trouble Shooting

9-1 Engine

Note: As this unit is equipped with a Tier 4 engine, use "E-IDSS" for is a diagnosis.
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
No output voltage.
No voltage increase
Possible Cause
1. Faulty volt meter.
2. Faulty generator.
1. Faulty volt meter.
2. Faulty generator.
3. Faulty AVR or voltage
adjuster.
4. Slow rotation.
5. Faulty initial
excitation.
Inspection
1. Check the volt meter voltage.
2. Verify the exciting amperage and
resistance value.
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.
20
Remedy
1. Replace the volt meter.
2. Replace the generator.
(Refer to page 14)
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.