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4c
Moderate
Samsung · Dishwashers
Water supply error - insufficient water pressure or temperature
Quick Answer
Error code 4C on your Samsung Dishwashers means: Water supply error - insufficient water pressure or temperature. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
DW80B6060USDW80CG5451SRDW80CG5450SRDW80CB545012DW80B7070USDW80R2031USDW80M2020USDW60R2014USDW80N3030USDW80F600UTSDW80R9950USDW80M9960USDW80K7050USDW80R7060USDW80R5061USDW80R5060USDW80K5050USDW80J7550USDW80CG4021SRDW80F800UWSDW80M9550USDW80H9970US
Likely Causes
  1. Water supply valve not fully open
  2. Water pressure below 20 PSI
  3. Water temperature outside the 48-65C (120-150F) range
  4. Kinked or blocked water supply hose
How to Fix It
1
Ensure the water supply valve is fully open.
2
Check that water temperature is between 120F and 150F (48-65C).
3
Verify water pressure is between 20 and 120 PSI.
4
Inspect the water supply hose for kinks or blockages.
5
Clean the inlet filter screen on the water inlet valve.
6
If the error persists, the water inlet valve may need replacement.
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
Water inlet valve
Water supply hose
Related Error Codes
1E3C3E4E5C
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