19084 Error Code For Allis Chalmers Tractor Models
There are 2 kind of error description.
23 Voltage supply 3 - Coolant control valve and reverting valve (UB3) electrical - Open circuit to UB3 - P20A0 Vent valve (Reductant Purge Control Valve) - Open circuit
Voltage supply 3 -Coolant control valve and reverting valve (UB3) electrical - Short circuit to Ground UB3 - P20A2 Vent valve (Reductant Purge Control Valve) -short circuit low
If Heater does not work,Low coolant level. Check coolant level; add if necessary, faulty thermostat, heater control valve not functioning properly ,heater core or hoses clogged or damaged. Flush cooling system. See your John Deere dealer or replace heater core or hoses.