What to do if temperature control unit (TCU) does not receive setpoint data on GE Mixer?
- KkingjohnDec 1, 2025
If the Temperature Control Unit (TCU) does not receive setpoint data (temperature is not regulated, mixer vessel jacket does not feel warm, TCU does not sound as running): * Ensure the TCU is powered on. * Check the connection between the I/O Cabinet and the PolyScience™ TCU: 1. Hold the clock button on the left side of the TCU until HL is displayed (a few seconds). 2. Press the clock button repeatedly until CC appears on the left display. 3. If the display message is yes, the connection is working properly. 4. If the display message is no, the connection is not functioning. Check the connection cable between the TCU and PLC. * Check the connection between the I/O Cabinet and the Mokon™TCU: 1. Verify that the controller located on the front of the TCU is pow...






