Samsung dishwasher HC: The wash interior is too hot

Documentation checkedBy ErrHiveUpdated October 28, 2026

THE SHORT ANSWER

The wash interior is too hot.

HC is a high-temperature heater warning. Let the machine cool and follow the documented empty-cycle check.

First safe check

Stop handling dishes until the interior has cooled.

Applies to

Samsung dishwasher families covered by the cited US guidance. Match the full model number and exact display; this is not an exact-model compatibility claim.

Before you start

Let the interior cool before reaching inside. Watch for sharp debris. Leave electrical, heater and pump access to a qualified technician.

Go to safe checks

WHAT YOU MAY NOTICE

Symptoms to record

The dishwasher displays HC.

WORK THROUGH THE BASICS

Safe troubleshooting checks

0 of 2 checked

Use the checkboxes to keep track as you read. Stop at any warning or step that does not match your appliance.

Use the specified reset
Turn the dishwasher breaker off for 30 seconds and restore power.
What to note
The control starts fresh after cooling.
Try one empty Normal cycle
Empty the machine, add dishwasher detergent and run Normal. If HC repeats, request service.
What to note
A repeat is escalated rather than repeatedly cleared.

THE DETAILS MATTER

Scope & troubleshooting notes

How to interpret this result

HC refers to temperature inside the dishwasher;3E refers to incoming-water temperature. Keep that distinction when describing the problem to an installer or technician.

YOUR NEXT DECISION

When to stop and get help

Stop for abnormal heat or recurring HC. Do not inspect the heater or temperature wiring yourself.

Record what you see

Keep the full model number, exact displayed code, and your observations together for the next conversation.

Use the right support

Contact the manufacturer or a qualified appliance technician when the guide calls for service.

Samsung support

THE EVIDENCE

Sources & verification

Our explanations are editorial summaries of the documentation below. They do not replace the instructions for your exact appliance.

Samsung dishwasher is displaying an error code
Samsung · Manufacturer support · Checked Oct 28, 2026
Code-specific headings — Samsung US consumer support; check the model manual before applying a procedure.

ErrHive is an independent information resource, not an authorized representative of Samsung. Follow your appliance’s manual. Hazardous repairs belong with qualified professionals. Read our safety policy.