Kubota PDS400S-6E1 troubleshooting: 6 fault codes and 41 symptom-cause-remedy entries from the manufacturer's own service documentation.
Kubota PDS400S-6E1 — full specs, parts & maintenance.
| Code | Meaning |
|---|---|
| PC002 | Exhaust pipe |
| A150835 | Private house |
| TRO088 | Piping or the hose from this machine service valve should use what can be borne enough for the discharge pressure of this machine. |
| TRO303A | Please read the handling of the work tools often used. |
| A150841 | Fully-close Fully-open Half-open of service valve could cause cracks of valve seat and air leaks. Be sure to use as full-close or full-open, not to use as half-open. |
| spn 129456 | Failure has occurred, please be repaired by referring to the SPN & FMI i repair. |
| Symptom | Cause | Remedy |
|---|---|---|
| Low starter revolution speed | Faulty battery | Check battery — Charge |
| Low starter revolution speed | Failure of battery charging | Change |
| Low starter revolution speed | Failure of alternator | Change |
| Low starter revolution speed | Failure of starter | Change |
| The starter rotates normally but the engine does not start | Fuel filter clogging | Disassemble, clean, and change |
| The starter rotates normally but the engine does not start | Clogging of fuel pre-filter | Disassemble, clean, and change |
| The starter rotates normally but the engine does not start | No fuel | Fuel replenishment |
| The starter rotates normally but the engine does not start | Air entry into fuel line system | Bleed the air |
| The starter rotates normally but the engine does not start | Nozzle clogging | Disassemble/Clean |
| The discharge air pressure will not rise | Pressure regulator insufficient adjustment | Re-adjust (Fasten) |
| The discharge air pressure will not rise | Trouble of solenoid valve for starting unloader | Change |
| The engine does not reach the rated revolution speed | Faulty engine controller | Call your nearest dealer |
| The engine does not reach the rated revolution speed | Clogging of the unloader orifice | Disassemble/Clean |
| The engine does not reach the rated revolution speed | Trouble of emergency controller | Call your nearest dealer |
| The engine does not reach the rated revolution speed | Engine trouble | Call your nearest dealer |
| The engine does not reach the rated revolution speed | Fuel filter clogging | Disassemble/Change |
| If the discharge pressure will not increase to the specified one, RPM will drop | Pressure regulator insufficient adjustment | Re-adjust (Fasten) |
| If the discharge pressure will not increase to the specified one, RPM will drop | Trouble of pressure regulator | Change |
| If the discharge pressure will not increase to the specified one, RPM will drop | Clogging of the unloader orifice | Disassemble/Check |
| Engine does not reach minimum revolution at unload | Faulty engine controller | Call your nearest dealer |
| Engine does not reach minimum revolution at unload | Trouble of emergency controller | Call your nearest dealer |
| Safety valve relieves at unload | Pressure regulator insufficient adjustment | Re-adjust (loosen) |
| Safety valve relieves at unload | Unloader valve damaged/Faulty seat | Call your nearest dealer |
| Safety valve relieves at unload | Faulty safety valve | Change |
| Oil mixes in air (poor oil separation) | Scavenging orifice strainer clogging | Disassemble/Clean |
| Oil mixes in air (poor oil separation) | Excessive oil in separator receiver tank | Drain to its proper level |
| Oil mixes in air (poor oil separation) | Low discharge pressure | Disassemble and check of pressure control valve |
| Oil mixes in air (poor oil separation) | Oil separator deteriorated | Check/Change |
| Water found mixed in air (Condensate separation malfunctioned.) For after-cooler type only | Clogging of silencer at after cooler drain outlet | Disassemble/Clean/Change |
| Water found mixed in air (Condensate separation malfunctioned.) For after-cooler type only | Inside of piping between drain separator and silencer clogged with dust | Disassemble/Clean |
| Insufficient free air delivery | Air filter element clogging | Clean or change of element |
| Insufficient free air delivery | Unloader valve cannot fully open | Call your nearest dealer |
| Insufficient free air delivery | Engine does not reach rated speed | Call your nearest dealer |
| It is indicated that engine oil pressure is abnormal, and engine stops | Engine oil shortage | Replenish oil |
| It is indicated that engine oil pressure is abnormal, and engine stops | Engine oil filter clogging | Change |
| It is indicated that engine oil pressure is abnormal, and engine stops | Faulty oil pressure sensor | Change |
| It is indicated that engine oil pressure is abnormal, and engine stops | Loose wiring, connectors and disconnection | Check/Fasten |
| High water temp. warning/shutdown | Radiator clogging | Clean |
| High water temp. warning/shutdown | Faulty thermostat | Change |
| High water temp. warning/shutdown | Faulty coolant temperature sensor | Change |
| High water temp. warning/shutdown | Low coolant level | Replenish |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Documented causes: Fuel filter clogging; Clogging of fuel pre-filter; No fuel; Air entry into fuel line system. See the table for the matching fixes.
Documented causes: Faulty engine controller; Clogging of the unloader orifice; Trouble of emergency controller; Engine trouble. See the table for the matching fixes.
Documented causes: Faulty battery; Failure of battery charging; Failure of alternator; Failure of starter. See the table for the matching fixes.