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TROUBLESHOOTING

ISSUE CAUSE ACTION

The engine power is insufficient

• Clogged or carbon on nozzle tip

• Insufficient compression or gas leak from

valve seat

• Incorrectly adjusted valve clearance

• Incorrect injection timing

• Insufficient fuel

• Clogged air cleaner

• Urea supply shortage

• Have it repaired or replaced by workshop

• Add more fuel

• Clean the air cleaner element

• Add more urea

The oil warning lamp comes on during

driving

• Low engine oil level

• Low viscosity of engine oil

• Faulty pressure switch

• Defective oil pump

• Oil filter element clogged

• Add engine oil to specified level

• Change oil with proper viscosity

• Replace the switch

• Have it repaired by workshop

• Replace the element

The charge warning lamp comes on

during driving

• Defective wiring

• Defective alternator

• Defective battery or insufficient distilled

water

• Loose or damaged fan belt

• Check for loose or missing terminal, short

circuit and poor ground and repair as

necessary

• Have it repaired by workshop

• Replace the battery or add distilled water

• Adjust the tension or replace the belt

TYM T194 Operator's Manual

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