Error Code
medium
Winterhalter UC Series – Wash Items Do Not Dry (Rinse Temperature Too Low)
On your WINTERHALTER UC Series unit, if wash items are not drying,…
Winterhalter UC Series - A0-60 Wash Cycle Cancelled
Critical / Stop Operation
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 UC Series unit, the A0-60 wash cycle cancelled error indicates that the machine failed to meet the required A0 hygiene standards during the wash program. This is typically due to issues affecting water quality, temperature, or chemical dosing, preventing adequate sanitization. You should first restart the A0 washing program; if it persists, investigate chemical supply, water pressure, and internal cleanliness.
Technical Details
Repair Steps:
- Check Detergent and Rinse Aid Levels: Ensure both the detergent and rinse aid containers are adequately filled. Low chemical levels are a primary cause for insufficient hygiene performance. Verify that the dosing pumps are active and delivering chemicals.
- Inspect Water Supply and Pressure: Confirm that the machine is receiving a consistent and adequate water supply. Low water pressure can impact spray arm effectiveness and overall wash performance. Check for any kinked hoses or closed shut-off valves.
- Clean Filters and Strainers: Remove and thoroughly clean all internal filters and strainers, including the tank filter and pump intake filter. Blocked filters can restrict water flow and lead to poor wash results.
- Examine Wash and Rinse Arms: Inspect both the upper and lower wash and rinse arms for blockages or damage. Remove them and clear any clogged nozzles using a thin wire or needle. Ensure they spin freely when tested manually.
- Verify Wash Water Temperature: Confirm that the wash water temperature is reaching the required level (typically around 60-65°C for the wash cycle, and 82-85°C for the rinse cycle to meet A0 standards). A faulty heating element or temperature sensor (NTC sensor) can prevent the machine from reaching sanitizing temperatures.
- Perform a Manual Deep Clean: Even if filters and arms appear clean, hard water scale or accumulated food debris can hide within the wash chamber. Perform a manual deep clean using a descaling agent designed for commercial dishwashers, following the manufacturer’s instructions.
- Check Drain System: Ensure the drain is not blocked and the drain pump is functioning correctly to prevent re-depositing dirty water.
- Consult Technical Documentation or Service: If the issue persists after these checks, refer to the machine’s technical manual for specific diagnostic procedures or contact a qualified WINTERHALTER technician for further inspection of control systems, sensors, or pumps.
Common Questions:
Q: What does “A0 hygiene requirements not guaranteed” mean?
A: This indicates that the dishwasher failed to achieve the necessary sanitization levels as defined by the A0 standard, often related to temperature, contact time, or chemical concentration. The dishes may not be hygienically clean for commercial use.
Q: Can I continue using the dishwasher if the A0-60 error persists?
A: It is not recommended to use the dishwasher for commercial purposes if this error persists, as it signifies a failure to meet hygiene standards. Continued use could lead to health code violations and cross-contamination risks.
Q: How often should I clean my WINTERHALTER UC Series unit to prevent this error?
A: Regular daily cleaning of filters and internal surfaces is crucial. A weekly deep clean, including descaling if in a hard water area, is recommended to prevent accumulation of debris and scale that can impede hygiene performance.
When to call a technician
For this error, we recommend calling a certified technician. Do not continue operation or attempt repair yourself.
- Equipment shows a critical or stop-operation fault.
- You smell gas, burning, or see smoke or sparks.
- Error returns after following the steps above.
- You are not trained to work on this equipment.
- Warranty or safety could be affected by DIY repair.