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Troubleshooting and Repair | Blanket Warmers

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

Applicable Models:

TBW-250F-1-GD
TBW-520F-1-GD

🔍 Need More Information?

📂 Getting Started

📦 Setup & Installation

⚙️ Operating Procedures

🧰 Maintenance & Cleaning

📜 Warranty & Support

 

Problem: Condensation appears on the inside of the glass doors of the blanket warmer.

  • Cause: Blankets that are not completely dry before being placed in the blanket warmer.

  • Fix:

    1. Ensure all blankets are thoroughly dried before loading them into the blanket warmer.
    2. Remember that blanket warmers are self-contained and do not have external water sources, so condensation is caused by moisture from damp blankets.

Problem: The "ALM" light is illuminated on the controller, but the temperature shown has not yet reached the set point.

  • Cause: The temperature offset has likely been inadvertently adjusted.

  • Fix:

    1. Refer to the sensor calibration instructions.
    2. Reset the "INS" (Input Shift) value back to zero to align the temperature reading with the set point.

Problem: Blanket Warmer not Heating to Setpoint (Omron Controller)

  • Cause:

    1. The offset (sensor correction parameter) has likely been inadvertently adjusted.
    2. Other possible causes include the over-temperature thermostat tripping or heater failure.

  • Fix:

Step 1: Check and Set the Correct Setpoint

  1. Press the "<<PF" button to move the cursor.
  2. The digits in SV will flash, indicating that the setpoint can be changed.
  3. Use the "UP" or "DOWN" arrows to adjust the temperature to your desired setpoint (e.g., 37°C).
  4. Wait for a few seconds until the digits stop flashing to confirm the entry.

Step 2: Check and Reset the Sensor Correction Parameter

  1. Press the PAGE button to display the "iNS" (Input Shift) parameter.
  2. If the "iNS" parameter has a value similar to your desired setpoint, it’s likely been adjusted instead of the setpoint.
  3. Change the "iNS" parameter back to 0.0.

Step 3: Verify Heating

  1. Once the "iNS" parameter is reset, the controller will start asking for heating, and you’ll see "OUT1" flashing.
  2. Wait 5–10 minutes and check if the cabinet temperature begins to rise.

Step 4: Troubleshoot Other Possible Issues

If the above steps do not resolve the issue:

  1. Check if the over-temperature thermostat has tripped.
  2. Inspect the heater for failure and replace it if necessary.

If the problem persists, contact technical support for further assistance.

 

📞 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.