| Alarm Code / Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | | Pump cavitation, closed valve, or clogged filter. | 1. Bleed air from the pump (bleed screw). 2. Clean the Y-strainer. 3. Check hose connections. | | High Temp Alarm | Setpoint exceeded; cooling water failure. | 1. Check if cooling water supply is open. 2. Check if cooling solenoid valve is stuck closed. | | Low Temp Alarm | Heater failure or cooling valve stuck open. | 1. Check contactors/heaters. 2. Inspect cooling valve for debris holding it open. | | Leakage Alarm | Internal or external leak detected. | Check float switch in drip tray or expansion tank level. | | Pump Noise | Air lock or worn bearings. | Bleed the pump shaft seal or replace bearings. |
Leo Valdez, the senior injection molding technician at Apex Plastics , wiped the sweat from his brow and stared at the flashing red light on the press. The 40-ton mold for the medical-grade syringes was cold. Not warm. Not cool. Cold as a grave. The cycle had timed out. Rejects were piling up in the scrap bin—streak-marked, short-shot barrels of polypropylene. Wittmann Tempro Plus D 360 Manual
Then he did the trick only a veteran knows: He set the manual mode. He ignored the automatic set-point of 180°F. Instead, he dialed the to 140°F first. He let the oil circulate for four minutes. He watched the actual temperature climb. Then he bumped it to 160°F. Then, in a final, confident twist of the rotary encoder, he set it to 190°F. | Alarm Code / Symptom | Likely Cause
The Wittmann Tempro Plus D 360 is a versatile temperature control unit that offers a wide range of features and benefits. With its advanced design and intuitive interface, this unit makes it easy to set and maintain precise temperatures, ensuring optimal performance and efficiency in your applications. Check hose connections
The Wittmann Tempro Plus D 360 has two operating modes:
For detailed wiring or specific part replacement, you can refer to the Wittmann Download Center for official documentation. Temperature Controllers - WITTMANN Group
High voltage is present inside the cabinet. Only qualified electricians should perform repairs.