Name: Samsung WF45A6400AV
Brand: Samsung

Question 1

What does error code 1C mean on Samsung WF45A6400AV?

Accepted Answer

The washer can't tell how much water is inside. Cause: Pressure hose damaged (punctured); Pressure hose clogged with foreign material; Pressure hose folded; Too much lubricant applied to the hose insertion part of the air oose; Hose engagement error (disengaged); Water level sensor internal fault (faulty soldering); Water level sensor terminal disengaged; Main PBA fault.

Question 2

What does error code 3C mean on Samsung WF45A6400AV?

Accepted Answer

The washer drum motor is not spinning properly. Cause: PBA connector terminal not connected; Motor spin net not engaged; Motor internal coil damaged (short-circuited or cut); Hall sensor terminal not connected; Foreign material (e.g., a screw) entered the motor; Motor overloaded due to too much laundry (non-sensing); Motor hall sensor terminal not connected; PBA fault — weak motor driving signal or unstable relay operation; Erroneous operating signals from motor hall sensor; IPM terminal of Main PBA not connected; DD motor cover out of place; PCB housing terminal not connected; DD motor fault.

Question 3

What does error code 4C mean on Samsung WF45A6400AV?

Accepted Answer

The washer is not filling with water. Cause: Foreign material in the water supply valve; Water supply valve terminal not connected (wire disconnected); Warm water and rinse connectors wrongly connected to each other; PCB terminal from drain hose to detergent drawer not connected; Pressure hose folded or torn; Water supply hoses kinked; Cold and hot water supply hoses not connected correctly.

Question 4

What does error code 4C2 mean on Samsung WF45A6400AV?

Accepted Answer

The incoming water is too hot for the delicate cycle selected. Cause: Hot water supply temperature exceeds 50°C; Cold and hot water supply hoses connected to wrong inlets; Temperature sensor malfunction.

Question 5

What does error code 5C mean on Samsung WF45A6400AV?

Accepted Answer

The washer cannot pump the water out. Cause: Drain pump motor impeller damaged internally; Wrong voltage supplied to parts; Drain pump part fault; Freezing in the winter season; Drain hose clogged (injection error, foreign material); Drain pump clogged with foreign material (rubber bands, coins, cotton, hair pins); Water pump terminal not connected.

Question 6

What does error code 8C mean on Samsung WF45A6400AV?

Accepted Answer

The vibration sensor inside the washer detected a problem. Cause: Excessive vibration of the unit; Main PCB fault; MEMS sensor fault.

Question 7

What does error code 8C1 mean on Samsung WF45A6400AV?

Accepted Answer

The vibration sensor inside the washer detected too much shaking. Cause: Excessive vibration of the unit; Main PCB fault; MEMS sensor fault.

Question 8

What does error code 8C2 mean on Samsung WF45A6400AV?

Accepted Answer

The vibration sensor inside the washer detected a problem. Cause: Excessive vibration of the unit; Main PCB fault; MEMS sensor fault.

Question 9

What does error code 9C1 mean on Samsung WF45A6400AV?

Accepted Answer

The washer is not getting the right amount of electrical power. Cause: Consumer's power supply delivering under or over voltage; Extension cord causing voltage drop (up to 10V drop with 1m wire); Main PBA fault (sometimes).

Question 10

What does error code 9C2 mean on Samsung WF45A6400AV?

Accepted Answer

The washer is not getting the right amount of electrical power. Cause: Consumer's power supply delivering under or over voltage; Extension cord causing voltage drop; Main PBA fault (sometimes).

WF45A6400AV

Error Codes

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Code	Meaning	Severity
1C	The washer can't tell how much water is inside	Moderate
3C	The washer drum motor is not spinning properly	Moderate
4C	The washer is not filling with water	Moderate
4C2	The incoming water is too hot for the delicate cycle selected	Moderate
5C	The washer cannot pump the water out	Moderate
8C	The vibration sensor inside the washer detected a problem	Moderate
8C1	The vibration sensor inside the washer detected too much shaking	Moderate
8C2	The vibration sensor inside the washer detected a problem	Moderate