E10
Manitowoc Control Board Communication / Internal Control Fault

E10 displayed, unit may not start or may shut down randomly.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Defective main control board, Loose harness connections, Voltage spikes or poor grounding, Moisture intrusion on control board

How to Fix / Troubleshooting

Safety first: Turn off power at the breaker. Use anti‑static precautions when handling electronic boards.

Steps:

  • Inspect control compartment: Remove the front or top panel to access the main control board. Look for signs of moisture, corrosion, or burnt components.
  • Check all connectors: Gently reseat all harness connectors to the control board, ensuring they are fully engaged and latched.
  • Verify supply voltage: With a multimeter (and power restored), confirm that line voltage to the machine is within Manitowoc’s specified range and that neutral/ground connections are solid.
  • Dry moisture: If condensation or water has dripped onto the board, correct the source of moisture (leaks, poor ventilation) and allow the area to dry completely before restarting.

Replacement: If E10 persists after verifying wiring and voltage, replace the main control board. Programming or configuration may be required; consult the service manual or a Manitowoc technician.

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Repair Difficulty

Hard 4/5

Required Part

Main Control Board
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