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Decoding Hobart Dishwasher Error Codes: What They Mean and How to Fix Them
Your Hobart dishwasher has been working hard to give you sparkling clean dishes, but every now and then, like any trusty appliance, it might need a little extra care. When something goes wrong, Hobart dishwashers flash fault codes to nudge you in the right direction. At first glance, these cryptic codes might look frustrating. But don’t worry I’m here to help you decode them and get your dishwasher back to doing what it does best.

What Are Fault Codes, and Why Do They Matter?
Think of fault codes as your dishwasher’s language for saying, “Hey, something’s not quite right here!” These codes are not there to confuse you they’re shortcuts for diagnosing issues. By understanding these codes, you can pinpoint the root of the problem and either fix it yourself or know exactly what to tell a repair technician.
Decoding these messages doesn’t require advanced engineering skills, just a little know-how. Once you’re familiar with their meaning, resolving faults can be quicker than you think.
Standard Series Error Codes
Error Code | Description | Solution |
---|---|---|
E0, E2, E3, E4 | Machine not filling or filling high enough | Check troubleshooting guide. Machine will not run. |
E5 | Machine not draining properly | Check troubleshooting guide |
E6 | System error | Contact authorized Hobart service agent |
CL/Pr | Machine filling too high or door leaking | Check unit leveling, water level probes, or fill solenoid valve |
P1, P2, P3 (flashing) | System warning | Contact authorized Hobart service agent |
Ecomax Series Error Codes
Error Code | Description | Solution |
---|---|---|
01, 02 | Temperature boiler sensor issue | Contact authorized service agent |
05, 06 | Temperature tank sensor exceeded/undercut | Contact authorized service agent |
07, 08, 09, 10 | Pressure sensor issue | Contact authorized service agent |
13 | Filling program monitor pressure sensor issue | Pump out the machine |
14 | Wash tank drainage issue | Clean drain hose and pump out machine |
17, 18, 31 | Filling monitoring issues | Check water supply and contact service agent |
LXe Series Error Codes
Error Code | Description | Solution |
---|---|---|
Door Open | Machine door is ajar | Close door properly |
WASH ARM ALERT | Wash arm obstructed or clogged | Follow on-screen instructions |
LOW RINSE TEMP | Low rinse temperature for 2 consecutive cycles | Machine will run but needs service |
FILL ERROR | Machine timeout during filling | Check troubleshooting guide and contact service agent |
DRAIN ERROR | Water level issues | Contact service agent |
Common Hobart Dishwasher Fault Codes and Their Fixes
Here’s a breakdown of common Hobart fault codes and what you can do to address them.
1. Fault Code E1 – No Water Detected
What it means: Your dishwasher isn’t detecting water entering the machine.
What to do:
- Check if the water supply valve is open.
- Inspect the hose for kinks, blockages, or leaks that might restrict water flow.
- If the issue persists, there may be a problem with the water inlet valve, which might need replacing.
2. Fault Code E2 – High Water Temperature
What it means: The water temperature inside the dishwasher is too high.
What to do:
- Verify the temperature settings on your dishwasher. If they’ve been manually adjusted, reset them to the recommended range (typically around 140–160°F for commercial use).
- Check the thermostat or heating element for malfunctions, as these may need expert attention.
3. Fault Code E3 – Slow Drainage
What it means: The dishwasher is taking too long to drain water.
What to do:
- Inspect the drain hose for clogs or kinks.
- Clear out food debris or grease from the dishwasher filter and drain pump area.
- If the issue continues, the drain pump may need servicing.
4. Fault Code E4 – Overflow or Leak Detected
What it means: Water is leaking or has exceeded safe levels inside the dishwasher.
What to do:
- Check for any visible leaks around the dishwasher or inside the cabinet.
- Tighten loose connections on hoses or fittings.
- Look for excessive foam due to improper detergent use ensure you’re using the recommended detergent for your specific Hobart model.
5. Fault Code E7 – Door Open Error
What it means: The dishwasher thinks the door isn’t securely closed.
What to do:
- Double-check that the door is shut tight and latched properly.
- Inspect the door latch and sensor; if damaged, replacing these components will likely resolve the issue.
6. Fault Code E8 – Rinse Aid Dispenser Fault
What it means: There’s an issue with the rinse aid dispenser.
What to do:
- Check the rinse aid reservoir is it empty? Refill it if needed.
- Inspect the dispenser mechanism for blockages or malfunctions that might require minor repairs.
Preventive Tips to Keep Fault Codes at Bay
Preventing dishwashing hiccups starts with a little proactive care. Here’s how you can reduce the chances of seeing those pesky fault codes in the first place.
- Clean Filters Regularly: Clear out food debris and grease from the filter every week to prevent clogs.
- Inspect Hoses and Connections: Check water and drain hoses periodically to ensure they’re clog-free and well-connected.
- Use the Right Detergent: Always use the recommended detergent for Hobart dishwashers too much foam can cause issues like leaks.
- Schedule Routine Maintenance: If your Hobart sees heavy daily use, professional routine servicing can keep it running efficiently.

When to Call the Professionals
While many issues are straightforward to resolve with a little troubleshooting, some problems might need an expert’s touch. If the fault persists or you’re unsure about tackling a fix, don’t hesitate to contact a Hobart technician. Dealing with a problem early can save you from bigger repair bills down the line.
Your Partner for Hassle-Free Dishwashing
Your Hobart dishwasher is a powerhouse when it comes to keeping your kitchen running smoothly. While fault codes might seem like a temporary roadblock, they’re actually a helpful tool for maintaining your dishwasher’s performance. By decoding and addressing issues promptly, you’re saving time, effort, and money.
Got more questions about your dishwasher or need expert advice? Drop them in the comments below, or share your favorite Hobart maintenance tips with us! Together, we can make kitchen cleanups easier and keep your dishwasher running flawlessly for years to come.