Kubota GL6000-STD troubleshooting: 30 symptom-cause-remedy entries from the manufacturer's own service documentation.
Kubota GL6000-STD — full specs, parts & maintenance.
| Symptom | Cause | Remedy |
|---|---|---|
| After electrical equipment connected, generator does not operate. | Circuit breaker is off. | Turn breaker "ON". |
| After electrical equipment connected, generator does not operate. | Contact of output terminal and socket is bad. | Reinstall. |
| After electrical equipment connected, generator does not operate. | Malfunction of electrical equipment | Request repair. |
| Not generating | Bad contact of brush | Check, cleaning and maintenance of contact face and contact force of brush and slip ring. (Danger: All works should be performed when stopped) |
| Circuit breaker can not be operated. | Overload | Reduce load. |
| Circuit breaker can not be operated. | Short circuit of load circuitry connected to output section | Repair load. |
| Output cannot be obtained. — Rotation goes slow. Voltage drops. Breaker turns off. | Initial current is too much. (e.g. motor load) | Reduce load. |
| Output cannot be obtained. — Rotation goes slow. Voltage drops. Breaker turns off. | Overload | Reduce load. |
| Engine indicates loaded condition. | Short circuit of generator wiring | Stop immediately. Request for repair. |
| When the key is turned, the lamp doesn't light on. | Bulb is defective. | Replace |
| When the key is turned, the lamp doesn't light on. | Component or wiring defect of charging circuit | Check, repair |
| The water temperature lamp lights on when operating. | Engine overheating. | See "Precaution overheating" in "Radiator" section. (See page 97) |
| The water temperature lamp lights on when operating. | Water temperature sensor faulty. | Replace the water temperature sensor. |
| The water temperature lamp lights on when operating. | Water temperature sensor wiring faulty. | Repair the wiring. |
| The oil pressure lamp lights on when operating. | Insufficient engine oil. | Add engine oil. |
| The oil pressure lamp lights on when operating. | Lubricating system in trouble. | Check the system. |
| The oil pressure lamp lights on when operating. | Oil pressure sensor faulty. | Replace the sensor. |
| The oil pressure lamp lights on when operating. | Oil pressure sensor wiring faulty. | Repair the wiring. |
| The battery charge lamp lights on when operating. | Poor contact of sub winding. | Connect tightly. |
| The battery charge lamp lights on when operating. | Sub winding problem. | Check the sub winding. |
| Not started. — Not turned or slow turning. | Battery trouble. | Replacement of battery. |
| Not started. — Not turned or slow turning. | Insufficient battery charge. | Recharge battery. |
| Not started. — Not turned or slow turning. | Slow turning at cold circumstance due to high viscosity of engine oil. | Replace engine oil to D5W40 or D10W30 for cold. |
| Not started. — Not turned or slow turning. | Fuse blown out (Slow blow fuse) | Replace fuse. |
| Not started. — Not turned or slow turning. | Terminal cover open. | Close terminal cover. Fix terminal cover with panel lock bolts. |
| Not started. — Normal turning, but not started. | Fuel shortage. | Refuel. |
| Battery fluid level stands below the LOWER mark. | Immediately, add distilled water until the fluid level is between the UPPER and LOWER levels. (for only refillable battery) | |
| Output cannot be obtained. — Rotation goes slow; Voltage drops; Breaker turns off. | Initial current is too much. (e.g. motor load) | Reduce load. |
| Output cannot be obtained. — Rotation goes slow; Voltage drops; Breaker turns off. | Overload | Reduce load. |
| Not started. — Normal turning, but not started. | Fuel does not flow. | Check fuel filter. If filter is dirty, replace. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Documented causes: Battery trouble.; Insufficient battery charge.; Slow turning at cold circumstance due to high viscosity of engine oil.; Fuse blown out (Slow blow fuse). See the table for the matching fixes.
Documented causes: Insufficient engine oil.; Lubricating system in trouble.; Oil pressure sensor faulty.; Oil pressure sensor wiring faulty.. See the table for the matching fixes.
Documented causes: Circuit breaker is off.; Contact of output terminal and socket is bad.; Malfunction of electrical equipment. See the table for the matching fixes.