Whirlpool dishwashers are highly favored among most families due to their performance and dependability. Like every appliance, they have their difficulties and can hit issues that put a halt to their operation. Among the most common issues encountered by most customers is flashing light codes that are displayed.
These codes are used to notify customers of any issues that are about to arise and should be verified. This manual will discuss the various Whirlpool dishwasher flashing light codes, what they mean, and how to diagnose and repair them.
Decoding Whirlpool Dishwasher Flashing Light Codes
Whirlpool dishwashers use a series of flashing lights to represent specific problems. The codes are usually shown on the control panel and are priceless when making quick diagnoses. The following is a detailed list of some common flashing light codes, description, and likely solutions.
Whirlpool Dishwasher Diagnostic Guide
Flashing Light Error Codes
| Flash Code | Issue | Possible Causes | Solutions |
|---|---|---|---|
| 1 | Water Temperature |
• Faulty heating element • Defective temperature sensor • Malfunctioning control board |
1. Test heating element continuity 2. Check temperature sensor 3. Inspect control board |
| 2 | Water Supply |
• Kinked/blocked inlet hose • Faulty inlet valve • Low water pressure |
1. Check for hose blockages 2. Inspect inlet valve 3. Verify water pressure (20-120 psi) |
| 3 | Drainage |
• Blocked drain hose • Faulty drain pump • Clogged filter |
1. Clear drain hose 2. Check drain pump 3. Clean filter |
| 4 | Door Latch |
• Faulty door latch • Misaligned door |
1. Check latch mechanism 2. Adjust door alignment 3. Replace if damaged |
| 5 | Control Board |
• Faulty control board • Loose/damaged wiring |
1. Inspect board for damage 2. Check all connections 3. Replace if necessary |
| 6 | Motor |
• Faulty motor • Wiring issues |
1. Test motor operation 2. Check connections 3. Replace if faulty |
| 7 | Pressure Switch |
• Faulty pressure switch • Wiring problems |
1. Test switch continuity 2. Check connections 3. Replace if needed |
| 8 | Float Switch |
• Faulty float switch • Wiring issues |
1. Inspect float mechanism 2. Test continuity 3. Replace if faulty |
| 9 | Heating Element |
• Faulty heating element • Wiring problems |
1. Test element continuity 2. Check connections 3. Replace if needed |
| 10 | Temperature Sensor |
• Faulty sensor • Wiring issues |
1. Test sensor continuity 2. Check connections 3. Replace if faulty |
Troubleshooting Steps
| Step | Action | Detailed Instructions |
|---|---|---|
| 1 | Identify Code |
• Count the number of flashes on control panel • Refer to code table above • Note any patterns in flashing sequence |
| 2 | Basic Checks |
• Verify door is properly closed • Check water supply • Look for obvious blockages |
| 3 | Component Testing |
• Disconnect power first • Test relevant components with multimeter • Check for visible damage |
| 4 | Drain System |
• Check drain hose • Inspect drain pump • Clean all filters |
| 5 | Advanced Checks |
• Inspect control board • Test switches and sensors • Verify all connections |
Preventive Maintenance Tips
To minimize the occurrence of flashing light codes and ensure the longevity of your Whirlpool dishwasher, consider the following preventive maintenance tips:
- Regular Cleaning: Clean the filter, spray arms, and interior regularly to prevent blockages and buildup.
- Inspect Hoses: Periodically check the water inlet and drain hoses for kinks, blockages, or damage.
- Check Water Pressure: Ensure the water pressure is within the recommended range to avoid supply issues.
- Use Recommended Detergents: Use detergents specifically designed for dishwashers to prevent residue buildup.
- Run Regular Maintenance Cycles: Run a maintenance cycle with a dishwasher cleaner to remove any limescale or grease buildup.
When to Call a Professional
Although most of the flashing light code issues can be fixed with simple troubleshooting, others must be done by professionals. If you notice frequent flashing light codes or you are not sure of making the repairs, it is advisable to have a professional mechanic summoned. They have the skills and tools to diagnose and fix complex problems without putting you at risk.
Conclusion
Understanding Whirlpool dishwasher flashing light codes is essential so you can have the appliance operational and for the long term. Knowing the codes and repairs will enable you to easily fix issues and prevent damage. Correct maintenance and quick repair will have your dishwasher working well, giving you clean dishes for years.