Error Code
medium
Hobart LXn/LXGn – LXn/LXGn Will Not Drain
On your HOBART LXn/LXGn SERIES DISHWASHERS unit, a "Machine Will Not Drain"…
Hobart LXn/LXGn - Error 075: Rinse Aid Empty. Refill Rinse Aid
Caution / Monitor Closely
Warning: The information provided here is for educational purposes only.
Working with commercial kitchen equipment involves high voltage, gas, and high temperatures.
We strongly recommend contacting a certified service technician for any repairs.
We are not responsible for any damage or injuries resulting from DIY repair attempts.
This information is provided 'as is' without any guarantees of completeness or accuracy.
TLDR
On your HOBART LXn/LXGn SERIES DISHWASHERS unit, error code 075 indicates that the rinse aid level has not been sensed for several consecutive cycles. This typically means the rinse aid bottle is empty, the cap and tube are not properly secured, or the pump requires priming. Check the rinse aid supply and prime the pump to clear the error and restore optimal dishwashing performance.
Technical Details
Repair Steps:
- Verify the Rinse Aid Bottle:
- Ensure the rinse aid bottle is full. If empty, replace it with a new bottle of approved commercial rinse aid.
- Check that the cap and tube assembly is securely attached to the bottle and that the tube reaches the bottom of the bottle.
- Inspect the rinse aid tube for any kinks, blockages, or air leaks that could prevent proper suction.
- Prime the Rinse Aid Pump:
- With the rinse aid bottle verified and properly installed, press the ENTER button on the dishwasher’s control panel. This action primes the rinse aid pump, drawing rinse aid into the system.
- Repeat the priming process as required until rinse aid is detected and the error code clears.
- Check for System Blockage or Pump Malfunction:
- If the issue persists after verifying the bottle and priming, inspect the rinse aid dispenser nozzle within the wash chamber for any blockages or residue buildup. Clean thoroughly if necessary.
- Listen carefully for the rinse aid pump operation during priming or a rinse cycle. A lack of sound or a struggling noise could indicate a faulty pump.
- Verify all electrical connections to the rinse aid pump and the control board for looseness or corrosion.
- Reset the Machine:
- After addressing potential causes, perform a power cycle on the dishwasher (turn off the main power, wait 30 seconds, then turn it back on) to clear any lingering error states.
- If the error code 075 returns, further diagnostics of the rinse aid sensor, pump motor, or main control PCB may be required by a qualified RestoFixer technician.
Common Questions:
Q: Why is rinse aid important for my commercial dishwasher?
A: Rinse aid reduces the surface tension of water, allowing it to sheet off dishes more effectively. This prevents water spots, accelerates drying, and improves overall hygiene and the professional appearance of washed items.
Q: How often should I check my rinse aid level?
A: It’s best practice to check the rinse aid level daily, especially in busy commercial kitchens. Many modern dishwashers, like the HOBART LXn/LXGn series, will alert you when levels are low, but proactive checks prevent operational interruptions.
Q: Can I use any type of rinse aid in my HOBART dishwasher?
A: It’s crucial to use commercial-grade rinse aid specifically designed for high-temperature dishwashers and compatible with your HOBART LXn/LXGn unit. Using improper or domestic rinse aid can lead to poor results, potential damage to components, or could void your warranty.
When to call a technician
Consider calling a certified technician if:
- The error keeps coming back after you've tried the steps above.
- You're not comfortable doing the checks or repairs yourself.
- You notice unusual noise, smell, or behaviour.
- Equipment is under warranty and you want official service.
- You need the unit back in service quickly with minimal downtime.