Engine
| Displacement | 16.12 L |
|---|---|
| Cylinders | 6 |
| Aspiration | Turbocharged, air-to-air charge air cooler |
| Oil capacity | 64.0 L |
Troubleshooting
80Fault codes
| Code | Meaning |
|---|---|
| Oil pressure fault/shutdown | Red LED on |
| 00-1 | Generator set emergency stop |
| 01-1 | External emergency stop |
| 02-1 | Engine oil pressure |
| 03-1 | Engine water temperature |
| 04-1 | Daily fuel tank level low |
| 05-1 | Radiator water level low |
| 06-1 | Alternator overload or short-circuit |
| 07-1 | Engine overspeed |
| 08-1 | Max. battery voltage |
| 09-1 | Max. alternator voltage |
| 12-1 | Max. alternator frequency |
| 25-0 | Normal contactor open (system side) |
| 26-0 | Emergency contactor open (generating set side) |
Symptoms & remedies
| Symptom | Cause |
|---|---|
| Starter motor not turning (or turning slowly) | Discharged battery |
| Starter motor not turning (or turning slowly) | Loose connection / open-circuit |
| Starter motor not turning (or turning slowly) | Fuse tripped |
| Starter motor not turning (or turning slowly) | Defective ignition switch / starter button |
| Starter motor not turning (or turning slowly) | Defective start relay |
| Starter motor not turning (or turning slowly) | Defective starter motor / solenoid |
| Starter motor not turning (or turning slowly) | Water in the engine |
| Engine will not start | Lack of fuel |
| Engine will not start | Fouled fuel filter |
| Engine will not start | Air in the fuel injection system |
| Engine will not start | Water / contaminants in the fuel |
| Engine will not start | Preheating insufficient |
| Engine will not start | Starter element defective / not connected |
| Engine will not start | Fault in the GAC unit (generating set engines) |
| Engine starts but stops again | Lack of fuel |
| Engine starts but stops again | Air in the fuel injection system |
| Engine starts but stops again | Water / contaminants in the fuel |
| Engine starts but stops again | Insufficient air supply |
| Engine starts but stops again | Preheating insufficient |
| Engine starts but stops again | Starter element defective / not connected |
| Engine difficult to start | Lack of fuel |
| Engine difficult to start | Fouled fuel filter |
| Engine difficult to start | Air in the fuel injection system |
| Engine difficult to start | Water / contaminants in the fuel |
| Engine difficult to start | Preheating insufficient |
| Engine difficult to start | Starter element defective / not connected |
| Engine difficult to start | Fault in the GAC unit (generating set engines) |
| Engine does not reach correct speed at wide open throttle (WOT) | Lack of fuel |
| Engine does not reach correct speed at wide open throttle (WOT) | Fouled fuel filter |
| Engine does not reach correct speed at wide open throttle (WOT) | Air in the fuel injection system |
| Engine does not reach correct speed at wide open throttle (WOT) | Water / contaminants in the fuel |
| Engine does not reach correct speed at wide open throttle (WOT) | Insufficient air supply |
| Engine does not reach correct speed at wide open throttle (WOT) | Engine coolant temperature too high |
| Engine does not reach correct speed at wide open throttle (WOT) | Engine overloaded |
| Engine does not reach correct speed at wide open throttle (WOT) | Excessive back pressure in exhaust system |
| Engine does not reach correct speed at wide open throttle (WOT) | Fault in the GAC unit (generating set engines) |
| Engine knocks | Lack of fuel |
| Engine knocks | Fouled fuel filter |
| Engine knocks | Air in the fuel injection system |
| Engine knocks | Water / contaminants in the fuel |
| Engine runs unevenly | Lack of fuel |
| Engine runs unevenly | Fouled fuel filter |
| Engine runs unevenly | Air in the fuel injection system |
| Engine runs unevenly | Water / contaminants in the fuel |
| Engine runs unevenly | Insufficient air supply |
| Engine runs unevenly | Engine coolant temperature too high |
| Engine runs unevenly | Fault in the GAC unit (generating set engines) |
| Engine vibrates | Defective engine mounting |
| Engine vibrates | Worn clutch |
| High fuel consumption | Insufficient air supply |
| High fuel consumption | Engine coolant temperature is too low |
| Black exhaust smoke | Insufficient air supply |
| Black exhaust smoke | Faulty injection timing |
| Blue or white exhaust smoke | Engine coolant temperature is too low |
| Blue or white exhaust smoke | Lubricating oil level too high |
| Blue or white exhaust smoke | Faulty injection timing |
| Low oil pressure | Lubricating oil level too low |
| Low oil pressure | Blocked fuel filter |
| Engine coolant temperature too high | Too little coolant |
| Engine coolant temperature too high | Radiator blocked |
| Engine coolant temperature too high | Circulation pump defective |
| Engine coolant temperature too high | Defective / incorrect thermostat |
| Engine coolant temperature too high | Defective temperature gauge / sensor |
| Engine coolant temperature too high | Faulty injection timing |
| No or poor charging | Loose connection / open-circuit |
| No or poor charging | Generator drive belt slipping |
Fault codes and symptom→remedy steps extracted from this unit’s service/owner documentation; verify against the official manual before servicing. Showing the first 80 of 85 entries.
Parts
4| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 33501193901NE | User manual for the control unit | Service part / kit | Amazon eBay | |
| 33522035901 | INSTALLATION AND MAINTENANCE LSA 46.2 / 47.1 ALTERNATORS Ref. 2981 GB - 4.33/a - 04.00 LEROY-SOMER | 2 | Service part / kit | Amazon eBay |
| 33522051901 | User and maintenance manual for the engine | Service part / kit | Amazon eBay | |
| 7739614-1 | English 04-2002 | Service part / kit | Amazon eBay |
Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.
Replacement parts listed for the Leroy-Somer LSA 46.2
2| Diode Bridge Kit | FridayParts $224.95 |
| 3 Pieces Diode ALT421KD002 | FridayParts $45.99 |
Aftermarket listings whose supplier names this air compressor. Check the part number against your serial number before ordering.
Aftermarket parts that fit this air compressor
1ALT421KD002 FridayParts $45.99
Parts listed by aftermarket suppliers as fitting this air compressor — leads compiled from supplier catalogs; verify the exact part for your serial number.
Common questions
Which engine powers the Leroy-Somer LSA 46.2?
The Leroy-Somer LSA 46.2 air compressor is powered by the Volvo Penta TAD1631 engine.
About
Leroy-Somer LSA 46.2 — air compressor. Specifications and parts compiled from manufacturer documents.