Name: Samsung WA45T3400AV
Brand: Samsung

Question 1

What does error code 1C mean on Samsung WA45T3400AV?

Accepted Answer

The washer can't detect the water level properly. Cause: Hose damaged (punctured); Hose clogged with foreign material; Hose folded; Too much lubricant on air hose; Hose engagement error (disengaged); Part fault (faulty internal soldering); Water level sensor terminal disengaged; Main PBA fault; Main PCB defective.

Question 2

What does error code 3C mean on Samsung WA45T3400AV?

Accepted Answer

The washer's motor isn't working. Cause: Washing motor fault; Washing motor hall sensor fault; Incorrect connections of motor/hall sensor connector; Washing motor rotor and stator fault; Main PCB fault; Motor overloaded (too much laundry); Foreign material in motor.

Question 3

What does error code 4C mean on Samsung WA45T3400AV?

Accepted Answer

The washer isn't filling with water. Cause: Water taps closed; Water hoses clogged; Water taps frozen; Insufficient water pressure; Cold/hot taps wrongly connected; Mesh filter clogged; Water supply valve defective; Main PCB defective; Frozen water.

Question 4

What does error code 4C2 mean on Samsung WA45T3400AV?

Accepted Answer

The incoming water is too hot. Cause: Cold water hose connected to hot tap; Hoses swapped.

Question 5

What does error code 5C mean on Samsung WA45T3400AV?

Accepted Answer

The washer can't drain the water out. Cause: Drain hose frozen or clogged; Drain hose positioned incorrectly; Debris filter clogged; Drain pump defective; Frozen water; Foreign material in pump; Main PCB defective.

Question 6

What does error code 8C mean on Samsung WA45T3400AV?

Accepted Answer

An internal sensor board stopped working. Cause: Wire disconnection; MEMS PBA defective; Main PBA wire disconnection; PBA silver nano part malfunction.

Question 7

What does error code 9C1 mean on Samsung WA45T3400AV?

Accepted Answer

The washer is getting too much power. Cause: Over voltage at power supply; Main PBA fault.

Question 8

What does error code 9C2 mean on Samsung WA45T3400AV?

Accepted Answer

The washer isn't getting enough power. Cause: Low voltage at power supply; Power cord unplugged; Extension cord.

Question 9

What does error code AC mean on Samsung WA45T3400AV?

Accepted Answer

The control boards can't communicate. Cause: Signals not sensed between sub/main PBAs; Incorrect wire connections; Sub PBA short-circuited from moisture.

Question 10

What does error code AC6 mean on Samsung WA45T3400AV?

Accepted Answer

The motor controller can't communicate with the main board. Cause: Inverter PCB communication failure; Wire harness issue.

WA45T3400AV

Error Codes

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Code	Meaning	Severity
1C	The washer can't detect the water level properly	Moderate
3C	The washer's motor isn't working	Critical
4C	The washer isn't filling with water	Moderate
4C2	The incoming water is too hot	Moderate
5C	The washer can't drain the water out	Moderate
8C	An internal sensor board stopped working	Moderate
9C1	The washer is getting too much power	Critical
9C2	The washer isn't getting enough power	Moderate