Causes of common faults of MTU diesel generator sets

One: the temperature of the diesel engine is too high

Answer: 1. The water pump is damaged

2. The thermostat is damaged

3. The fan belt or water pump belt is too loose

4. The water tank is too dirty or blocked

Two: diesel engine oil pressure is too low?

Answer: 1, spindle tile and crankshaft fit clearance is too large (wear is too large)

2, all kinds of bushing wear is too large

3, cooling nozzle or oil pipe leakage

4. Oil pump fails to work

5, oil pressure inductor failure

Three: diesel engine working power loss is larger?

Answer: 1, cylinder assembly wear is too large

2, the fuel injector is not working well

3, the PT pump work failure

4, the timing mechanism is not working well

5, the supercharger work failure

Four: at high load, exhaust pipe and supercharger red?

Answer: 1, the fuel injector is not working well

2. Camshaft, follower arm assembly and rocker arm assembly wear excessively

3, the intercooler is too dirty, the air intake is less than 4, the supercharger work failure

Five: diesel engine white smoke?

Answer: 1, the fuel injector is not working well

2, turbocharger burning oil

3, valve duct and valve wear too much, oil leakage into the cylinder

4. There is water in diesel oil

Six: diesel engine black smoke?

A: 1. The turbocharger fails to work

2. Poor seal of valve assembly

3, the fuel injector is not working well

4. Excessive wear of camshaft components

Seven: diesel generator frequency is unstable or overspeed or no high speed?

A: 1. Excessive wear of electronic actuator

2. The sensor is faulty

3. The speed controller is faulty

Eight: No voltage output or voltage fluctuation?

Answer: 1. PMG stator or rotor is damaged

2. AVR board is damaged

3, diode damage

4. The exciter rotor or stator is damaged

5. Main stator or main rotor is damaged

6, P2,P3,P4 line short circuit or open

7. P6,P7, and P8 wires are short-circuited or disconnected

8,X,XX line short circuit or open

Can't the generator start?

A: 1, the battery is out of power

2. The starting motor is faulty

3. The oil supply throttle valve is faulty

4. The DC controller is faulty

10. Oil pressure or water temperature alarm under normal conditions?

Answer: 1, oil pressure alarm failure

2, oil pressure alarm wiring touch the ground

3. The DC monitoring board is faulty

Jiangsu Meao Power Technology Co., Ltd. is an important manufacturer of diesel generators. The company mainly manufactures and sells diesel generator sets with power of 3-3000kW, mobile power station of 24-600kW, Marine emergency diesel generator set of 24-800kW, gas generator set, heavy oil generator set and all kinds of imported series, special series (trailer, static speaker, mobile lighthouse, container, etc.) diesel generator At the same time, we are engaged in generator set maintenance and after-sale service of generator set accessories.