Bobcat S570 P21C3 Error Code
P21C3 Error Code
DEF Main Heater Relay Short to Ground is the main cause of P21C3 error.A significant number of consequences can be suffered due to an overheating engine with code P21C3. The problem might be a blown gasket or something related to the fuel tank.
Tip For S570 Model
If the engine stops, the boom / bucket
(attachments) can be lowered to the ground
using hydraulic pressure in the accumulator.
The control console must be in the locked
down position, and the key switch in the ON
position.
Use the control lever to lower the boom.