On a Samsung dishwasher, 4E/4C means a water supply error, 5E/5C a drain error, LE/LC a leakage error, and HE a heater error. Samsung documents a full list — most clear with a power reset and a normal cycle, and the drain and supply codes usually trace to the filter, hose or water valve.
The full code list
| Code | What Samsung says it means |
|---|---|
| 1E / IE | Clogged filter (Waterwall models) or high-temperature heater error (rotary models) |
| 3C | Pump operation error |
| 3E | High-temperature water supply — supply should not exceed 176°F |
| 4C / 4E | Water supply error — inadequate water pressure or temperature |
| 5C / SC / 5E / SE | Drain error |
| 7E | Waterwall reflector error — the reflector cannot move correctly |
| 9E | Low water level error |
| bE / 6E | Button error — a stuck button detected |
| CE | Communication error between control panel and dishwasher |
| HC | High-temperature heater error |
| HE | Heater error — temperature detected incorrectly |
| LC / LE | Leakage error — moisture detected by the leak sensor |
| OC / 0C / oE | Over-level water error |
| PC | Zone Wash function error |
| PE | Half load function error |
| tE | Temperature sensor error |
| AP | Access Point mode (for connecting a mobile device) |
5E / 5C / SE / SC: Drain error
- Check the drain hose
Look for a kinked, pinched or clogged hose and clear it.
- Clean the filter and sump
See our filter cleaning guide and won’t drain guide.
- Check the disposal connection
A clogged garbage disposal or its knockout plug can block the drain.
OC/oE (over-level water) also traces to drainage, so the same checks apply.
4E / 4C and 9E: Water supply and low water
For 4E/4C, check the water supply requirements, make sure the supply valve is on, and avoid FloodSafe-type hoses that can restrict flow. For 9E (low water level), Samsung’s steps are to empty the dishwasher, add detergent and run a normal cycle; if it persists, switch off power and contact service.
LE / LC: Leakage
This means the leak sensor detected moisture. Samsung notes excess detergent and the garbage disposal cap can be involved. See our dedicated Samsung LC error guide for a full walkthrough, and our door leak guide if water is escaping.
HE, HC, tE, 3E: Heat and temperature
| Code | First thing to try |
|---|---|
| HE | Empty the dishwasher and run a normal cycle; contact service if it persists |
| HC | Reset power, empty it and run a normal cycle |
| tE | Run a normal cycle; contact service if it persists |
| 3E | Make sure your hot water supply does not exceed 176°F |
1E / IE: Filter and heater
On Waterwall models, 1E/IE means water is not passing through the filter — clean the fine filter per the manual. On rotary models the same code means a high-temperature heater error; reset power and run a normal cycle.
Buttons, communication and special modes
bE/6E (stuck button): test each button and clean around the panel. CE (communication): restart the dishwasher. 3C (pump): turn off and restart. AP just means Access Point mode for connecting a phone — restart if you did not intend it. PC and PE are Zone Wash and Half Load function errors; restart, and contact service if they continue.
When to call for service
If a code returns after a power reset and a normal cycle, Samsung’s guidance is to contact service. Pump, heater and sensor faults need parts; see our dishwasher repair cost guide.
