LGCY Series
Page 30
Chapter VI Common Faults Analysis and Elimination
SN
Fault
Cause
Elimination methods
1
Unit start
failure
1. Insufficient oil volume of fuel tank
2. Fuel line air leakage
3. Battery wiring error
4. Low battery voltage
5. Starting motor fault
6. Fuel solenoid valve fault
7. Diesel engine fault
8. Key switch or start button fault
9. Oil-air tank pressure exceeds 0.1Mpa
1. Check the fuel level and refuel if
necessary
2. Eliminate it
3. Check if the wiring is correct.
4. Check the electrolyte level. Add
distilled water if necessary; recharge or
replace the battery
5. Hire an automobile electrician to
repair or replace it.
6. Adjust or replace it
7. Repair it
8. Hire an automobile electrician to
repair it
9. Find out the cause and remove the
residual pressure
2
Sudden stop
of unit in use
1. Insufficient oil volume of fuel tank
2. Fuel pipeline air leakage
3. Fuel solenoid valve fault
4. Fuel filter clogging to cause
insufficient oil supply
5. Diesel engine air filter clogging to
cause insufficient horsepower
6. Diesel engine oil pump fault
7. Diesel engine injector fault
8. Diesel engine breakdown
9. Low pressure of diesel engine oil
10. High water temperature of diesel
engine
11. Diesel engine overspeed
12. Air compressor exhaust air
overtemperature
13. Excessive discharge pressure of air
pressure.
14. Sensor fault
15. Handpiece seizure
1. Check and refuel if necessary.
2. Check it
3. Replace it
4. Clean or replace it
5. Blow or replace it
6. Inspect it
7. Inspect it
8. Inspect it
9. Inspect it
10. Inspect it
11. Inspect it
12. Check the cause and timely eliminate
it
13. Check the cause and timely eliminate
it
14. Replace it
15. Inspect it
3
Time
accumulation
failure of
running
timer
1. Timer fault
1. Replace the timer
Summary of Contents for JCD-900 Series
Page 25: ...LGCY Series Page 23 8 Wiring diagram...
Page 31: ...LGCY Series Page 29...
