Whirlpool dishwashers work well and get the job done, but like any machine, they can run into issues that mess with how they work. One thing that often bugs users is when they see flashing light codes. These codes pop up to let you know something’s not right and needs fixing.
This guide shows you the meanings behind the blinking lights on your Whirlpool dishwasher. It explains what these signals try to communicate helps you figure out the problem, and gives steps to fix it.
Whirlpool Dishwasher Flashing Light Codes
Whirlpool dishwashers use flashing light codes to indicate specific problems. These codes will appear on the control panel and are essential for quick diagnosis. Below is a list of common flashing light codes, what they mean and how to fix.
Whirlpool Dishwasher Flashing Light Codes Guide
| Light Code | Meaning | Possible Causes | Solutions |
|---|---|---|---|
| 1 Flash | Water Temperature Problem |
• Faulty heating element • Defective temperature sensor • Malfunctioning control board |
1. Check heating element continuity with multimeter 2. Test temperature sensor continuity 3. Inspect control board for damage |
| 2 Flashes | Water Supply Issue |
• Kinked/blocked water inlet hose • Faulty water inlet valve • Low water pressure |
1. Check inlet hose for kinks/blockages 2. Inspect water inlet valve 3. Verify water pressure (20-120 psi) |
| 3 Flashes | Drainage Issue |
• Blocked/kinked drain hose • Faulty drain pump • Clogged filter |
1. Check drain hose for blockages 2. Inspect drain pump 3. Clean filter thoroughly |
| 4 Flashes | Door Latch Problem |
• Faulty door latch • Misaligned door |
1. Inspect door latch for damage 2. Adjust door alignment 3. Replace latch if necessary |
| 5 Flashes | Control Board Problem |
• Faulty control board • Loose/damaged wiring |
1. Inspect control board for damage 2. Check wiring connections 3. Replace board if necessary |
| 6 Flashes | Motor Problem |
• Faulty motor • Loose/damaged wiring |
1. Inspect motor for faults 2. Check wiring connections 3. Replace motor if necessary |
| 7 Flashes | Pressure Switch Problem |
• Faulty pressure switch • Loose/damaged wiring |
1. Test pressure switch continuity 2. Check wiring connections 3. Replace switch if faulty |
| 8 Flashes | Float Switch Problem |
• Faulty float switch • Loose/damaged wiring |
1. Inspect float switch for damage 2. Check wiring connections 3. Replace switch if necessary |
| 9 Flashes | Heating Element Problem |
• Faulty heating element • Loose/damaged wiring |
1. Check heating element continuity 2. Inspect wiring connections 3. Replace element if faulty |
| 10 Flashes | Temperature Sensor Problem |
• Faulty temperature sensor • Loose/damaged wiring |
1. Test sensor continuity 2. Check wiring connections 3. Replace sensor if faulty |
Step-by-Step Repair Guide
The below steps will assist in troubleshooting and repairing flashing light codes in your Whirlpool dishwasher efficiently:
Find the Flashing Light Code
- Check into the control panel to determine the specific flashing light code.
- Refer to the user manual for the proper description of the code.
Check for Obvious Issues
- Ensure that the door closes properly.
- Check for proper water supply and the inlet valve is fine.
- Check the drain hose for blockages and kinks.
Check the Heating Element and Temperature Sensor
- Disconnect power to the dishwasher.
- Locate the heating element and temperature sensor.
- Check the two components for continuity with a multimeter.
- Replace any damaged components.
Check the Drain System
- Check the drain hose for kinks or clogs.
- Check the drain pump for malfunction and replace as necessary.
- Check that the drain system is operating correctly.
Check the Control Board
- Inspect the control board for damage or burnt components.
- Replace the faulty control board with a new one.
Check the Motor and Pressure Switch
- Turn off the power supply to the dishwasher.
- Locate the motor and pressure switch.
- Test both parts for continuity with a multimeter.
- Replace the bad parts.
Check the Float Switch
- Turn off the power supply to the dishwasher.
- Locate the float switch.
- Test the float switch for continuity with a multimeter.
- Replace if defective.
Preventive Maintenance Hints
To minimize flashing light codes and enhance the durability of your Whirlpool dishwasher, use the following preventive maintenance strategies:
- Regular Cleaning: Clean the filter, spray arms, and interior often to prevent blockage and deposit formation.
- Hose Inspection: Inspect water inlet and drain hoses frequently for kinking, clogging, or damage.
- Water Pressure Verification: Verify the water pressure within the proper range to avoid supply issues.
- Use Recommended Detergents: Use dishwashing detergents in order not to leave residues.
- Run Regular Maintenance Cycles: Run a maintenance cycle from time to time with a cleaner specifically intended for use in the dishwasher to descale and degrease.
When to Call a Professional
While the majority of flashing light codes are repaired using basic troubleshooting, there will be instances where you will need a professional. If you persistently get flashing light codes or aren’t comfortable performing repairs, we suggest you hire the services of a professional mechanic. They are trained and equipped to detect and fix complex problems safely.
Conclusion
Whirlpool dishwasher flashing light code reading is essential in maintaining the appliance running in good condition and shape. Understanding what these codes are and how they can be corrected will assist you in correcting issues simply and without causing additional problems.
Timely maintenance and constant correcting will have your dishwasher running smoothly for years to come, with sparkling clean dishes at your doorsteps.