Skip to main content

Hydropack: How to Troubleshoot E4 Water Level Sensor Error

Is your Hydropack displaying an E4 error code?

Updated this week

Follow this step-by-step guide to diagnose and replace the sensor:

Preparation:

  • Shut off the Hydropack completely

  • Drain the internal water tank

  • Gather necessary tools: hex key, small scissors

Disassembly Steps:

  1. Open the main panel and check motherboard wire connections

  2. Remove the bottom back panel to access the internal tank

  3. Unfasten the two screws holding the machine tank in place on the back side of the internal tank

  4. Unfasten the two screws holding the machine tank in place on the front side of the internal tank

  5. Remove piping and c-clamps from the tank pipings

  6. Cut zip ties connecting machine and sensor wiring

Sensor Replacement:

  1. Pull out the internal tank

  2. Unscrew the nut holding the water level sensor

  3. Carefully remove the old sensor

  4. Insert the new sensor, threading wires one at a time

  5. Secure the new sensor with the top nut

  6. Reconnect the three wires to their corresponding locations

Reassembly:

  1. Secure the internal tank lid

  2. Replace tubing and c-clamps

  3. Fasten the internal tank back in place

  4. Reconnect the unfiltered water outlet

  5. Turn on the Hydropack and verify the error is resolved

Pro Tip: Always ensure careful wire management and secure connections during the process.

Did this answer your question?