Understanding Dishwasher Issues and Error Codes

Understanding Dishwasher Issues and Error Codes

Dishwashers are one of the most convenient appliances in our homes, taking over the tedious task of hand-washing dishes. But like all appliances, they can run into problems, sometimes signaled by mysterious error codes. In this blog post, we’ll delve into common dishwasher issues and decipher some of the most frequent error codes you might encounter.

Common Dishwasher Issues

1. Dishes Not Cleaning Properly One of the most common complaints is that dishes aren’t coming out clean. This can be caused by various factors:

• Clogged Spray Arms: Food particles can block the holes in the spray arms, preventing water from reaching the dishes.

• Dirty Filter: A clogged filter can hinder water flow and reduce cleaning efficiency.

• Low Water Temperature: If the water isn't hot enough, the dishwasher may struggle to clean dishes effectively.

• Improper Loading: Overloading or incorrect loading can block water spray and prevent dishes from getting clean.

2. Dishwasher Not Draining Water pooling at the bottom of your dishwasher is a sign that it’s not draining properly. Common causes include:

• Blocked Drain Hose: Food particles, grease, or debris can clog the drain hose.

• Clogged Filter: A blocked filter can prevent water from draining.

• Faulty Drain Pump: The pump responsible for expelling water might be malfunctioning.

3. Dishwasher Leaking Leaks can cause significant damage to your kitchen. Common culprits include:

• Door Seal Issues: A damaged or worn door seal can cause water to leak out.

• Faulty Water Inlet Valve: If the valve that lets water into the dishwasher is faulty, it can cause leaks.

• Loose or Damaged Hoses: Check all hoses for tight connections and any signs of damage.

4. Dishwasher Not Starting When your dishwasher refuses to start, it could be due to:

• Power Issues: Ensure the dishwasher is properly plugged in and that the circuit breaker hasn’t tripped.

• Faulty Door Latch: If the door isn’t properly closed, the dishwasher won’t start.

• Control Panel Problems: The control panel or its connections might be faulty.

Common Dishwasher Error Codes

GE Dishwasher error codes

Error Code	Description
C1	Drain time exceeded 2 minutes
C2	Drain time exceeded 7 minutes
C3	Won't drain
C4	Dishwasher overfilled
C5	Drain time is too short (Dishwasher is underfilled)
C6	Water temperature too low
C7	Water temperature sensor is defective
C8	Detergent dispenser cover is blocked
PF	Power failure
Cup Open	Detergent dispenser cover has not been closed

Bosch dishwasher error codes

Error Code	Description
E0	No fault codes are recorded
E1	Heating problem
E2	Temperature sensor defective
E3	Not filling
E4	Water switch defective
E5	Overfilled
E6	Aqua sensor defective

LG dishwasher error codes

Error Code	Description
IE	Not filling
OE	Not draining
AE or E1	Water leak detected
FE	Water overflow detected
tE	Thermistor (temperature sensor) failure
LE	Locked up circulation pump motor
HE	Heater failure
nE	Diverter motor failure

Samsung dishwasher error codes

Error Code	Description
4E	No water detected in the tub within 6 minutes of starting the cycle
4E1	Incoming water temperature exceeds 176 degrees
tE1	Temperature sensor (thermistor) malfunction
5E	Inadequate or slow drainage
oE	Excessive water detected
LE	Detected water leakage
HE	Malfunction of the heating element
HE1	Water temperature in the tub exceeds 176 degrees
9E	Insufficient water level
bE2	Control panel button is stuck
PE	Malfunction of the half-load function

Whirlpool dishwasher error codes

Indicator	Description
Clean light blinks 7 times	Heater circuit issue. The control didn't detect the expected temperature rise when the heater was activated.
Console light blinks rapidly	The control detects a stuck button on the control panel.
Start/Resume light blinks slowly	The dishwasher won't resume if the door was opened or power was interrupted during the cycle. Close the door and press Start/Resume.
Clean light stays on	The dishwasher won't start a new cycle until it detects the door was opened after the last cycle.
Control lock LED is on	The control lock is on, or there's a keypad problem.
Sanitized LED blinks at end of cycle	The control couldn't confirm that the required sanitation temperature was reached.

KitchenAid dishwasher error codes

Error Code	Condition
1-1 or F1E1	Stuck relay on the electronic control board
1-2 or F1E2	Damaged or corrupted memory on control board
2-1 or F2E1	Stuck button on the user interface control
2-2 or F2E2	User interface control can't communicate with electronic control board
3-1 or F3E1	Thermistor/OWI sensor failure
3-2 or F3E2	Shorted thermistor/OWI sensor
3-3 or F3E3	OWI failed to calibrate or drain hose check valve failed
4-4 or F4E4	Communication error between control board and circulation pump motor
5-1 or F5E1	Door switch failure
5-2 or F5E2	Control detects door not opening
6-1 or F6E1	Dishwasher won't fill
6-2 or F6E2	Water inlet valve failure
6-3 or F6E3	Suds or air in water pump
6-4 or F6E4	Float switch is open
6-6 or F6E6	Incoming water is too cold
7-1 or F7E1	Heating element doesn't work
7-2 or F7E2	Heating element won't shut off
8-1 or F8E1	Slow drain
8-2 or F8E2	Drain pump electrical problem
9-1 or F9E1	Electronic control board can't detect diverter disc position
9-2 or F9E2	Diverter motor is stuck on
9-3 or F9E3	Diverter disc is missing
9-4 or F9E4	Lower spray arm error
10-1 or FAE1	Detergent dispenser failure
10-2 or FAE2	Vent wax motor electrical problem
10-3 or FAE3	Drying fan failure

Need Professional Help?

If your dishwasher displays any of these error codes, it’s best to consult a professional technician. Attempting repairs without the proper knowledge can be risky and may cause further damage. Certified technicians can provide accurate diagnosis and effective solutions to get your dishwasher back in working order. Reach out to a professional for assistance.

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