hc4
Moderate
Samsung · Dryers
Excessive heat - dryer temperature dangerously high
Quick Answer
Error code HC4 on your Samsung Dryers means: Excessive heat - dryer temperature dangerously high. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Step 1: IMMEDIATELY unplug the dryer. Do not use until repaired.
2
Step 2: Clean the lint screen and vent system thoroughly.
3
Step 3: Test all thermal safety components: thermal fuse, high-limit thermostat, cycling thermostat.
4
Step 4: Inspect the heating element for damage or grounding.
5
Step 5: Check the main control board for burn marks or damage.
6
Step 6: Replace all failed components before using the dryer again.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Heating element
Thermal fuse
High-limit thermostat
Cycling thermostat
Main control board
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