Error Message (Engine) (4) Preheater 128 PID 45 4 (5) Coolant temperature sensor 128 PID 110 3 (6) Oil pressure sensor 128 PID 100 3 Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 18 Error Code From MID Signal FMI Code Central Warning lamp Buzzer Source 128 PID 45 3 Blink Caution High voltage 128 PID 45 4 Blink Alarm Low voltage (problem because preheat relay always ON) 128 PID 45 5 Blink Caution open circuit, disconnected 128 SID 70 3 Blink Alarm High voltage(Coil On) 128 SID 70 4 Blink Caution Low voltage 128 SID 70 5 Blink Caution too low current Error Code From MID Signal FMI Code Central Warning lamp Buzzer Source 128 PID 110 2 Blink Alarm Intermittent or incorrect data 128 PID 110 3 Blink Alarm too high voltage, shorted high 128 PID 110 4 Blink Alarm too low voltage, shorted low Error Code From MID Signal FMI Code Central Warning lamp Buzzer Source 128 PID 100 2 Blink Alarm Intermittent or incorrect data 128 PID 100 3 Blink Alarm too high voltage, shorted high 128 PID 100 4 Blink Alarm too low voltage, shorted low