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Troubleshooting and Repair | Heater Circulators (TU-1500-B)

Identifying Common Issues, Quick Fixes, and When to Seek Professional Assistance

Applicable Models:

TU-1500-B  

🔍 Need More Information?

📂 Getting Started

📦 Setup & Installation

⚙️ Operating Procedures

🧰 Maintenance & Cleaning

📜 Warranty & Support

 

Problem: The Display Screen Reads Error Code: H20

Cause:

  • The water level is below the ‘MIN’ marker.
  • The water level is above the ‘MAX’ marker.

Fix:

  1. Turn off the heater circulator.
  2. Check the water level and ensure it is between the ‘MIN’ and ‘MAX’ marks on the unit.
  3. Adjust the water level as needed before turning the circulator back on.

Problem: The Display Screen Reads Error Code: E02

Cause:

  • The heating element may have failed.
  • There may be an issue with the internal wiring.
  • The temperature sensor could be malfunctioning.

Fix:

  1. Contact a qualified service technician to diagnose and repair the issue.

Problem: The Word "CLEAN" Is Displayed on the Touch Screen

Cause:

  • The heater circulator has been operating for more than 20 cycles or 100 hours, triggering the cleaning reminder.

Fix:

  1. Refer to the Cleaning and Maintenance section of this user manual.
  2. Follow the cleaning instructions to maintain the unit's performance.

Problem: "LP" Is Displayed on the Touch Screen

Cause:

  • Loss of power has occurred.

Fix:

  1. Cycle the power at the General Power Outlet (GPO).
  2. Wait for 10 seconds, then turn the unit back on.

📞 Contacting Thermoline for Product Information and Support

When reaching out to Thermoline for product information, please have the Serial Number and any other relevant details on hand. The serial number can be found on a white sticker, typically located near the power IEC socket.

For assistance, contact Thermoline Service:

Having this information ready helps us provide efficient and accurate support.