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Bobcat 553 12-21 Error Code

12-21 Fault Code Meaning :

Front Auxiliary Thumb Paddle Switch Out Of Range High

Auxiliary Pwm Switch Out Of Range High

12-21 Error Code

Auxiliary Pwm Switch Out Of Range High is the main cause of 12-21 error.A significant number of consequences can be suffered due to an overheating engine with code 12-21. The problem might be a blown gasket or something related to the fuel tank.

Bobcat 553 Photo

Tip For 553 Model

When the temperature is below -30 C (-20 F), hydrostatic oil must be warmed before starting. The hydrostatic system will not get enough oil at low temperatures and will be damaged. Park the machine in an area where the temperature will be above -18 C (0 F) if possible.

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Bobcat Error Code

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