eCO2Boost XS 3
22
E16: Gas cooler (top) fan speed error
E17: Gas cooler (bottom) fan speed error
Likely cause
Check points
Solution
Propeller Fan locked
Check for any object blocking the fan
Remove object
Fan motor failure
Fan motor connector input signal
Replace fan motor
Fan motor wire failure
Wiring connection and conductivity
1.
Plug and unplug the connector
2.
Replace wire
Fan motor PCB failure
Fan motor PCB input and output signal
Replace fan motor PCB
Control PCB failure
Control PCB output signal sent to FM PCB
Replace control PCB
E20: High-pressure sensor error
E21: Low-pressure sensor error
Likely cause
Check points
Solution
Sensor connection
Wiring connection and conductivity
1.
Plug and unplug the connector
2.
Replace wire
Control PCB failure
Control PCB output signal sent to
pressure sensor
Replace control PCB
Pressure sensor failure
Pressure sensor output signal
Replace the pressure sensor
E23: Ambient air temperature sensor error
Likely cause
Check points
Solution
Sensor connection
Wiring connection and conductivity
1.
Plug and unplug the connector
2.
Replace wire
Control PCB failure
Control PCB output signal sent to
pressure sensor
Replace control PCB
Sensor failure
Check sensor resistance
Replace the temperature sensor
E24: Discharge temperature sensor error
Likely cause
Check points
Solution
Sensor connection
Wiring connection and conductivity
1.
Plug and unplug the connector
2.
Replace wire
Control PCB failure
Control PCB output signal sent to
pressure sensor
Replace control PCB
Sensor failure
Check sensor resistance
Replace the temperature sensor
E26: HEX inlet temperature sensor 1 error
E27: HEX outlet temperature sensor 1 error
Likely cause
Check points
Solution
Sensor connection
Wiring connection and conductivity
1.
Plug and unplug the connector
2.
Replace wire
Control PCB failure
Control PCB output signal sent to
pressure sensor
Replace control PCB
Sensor failure
Check sensor resistance
Replace the temperature sensor
16. Troubleshooting
