The Wensui mold heater or temperature control unit is suitable for all kinds of industrial heating and consistent temperature control. It is mainly used for injection molding machine, extrusion machine, blow molding machine, or any other plastics processing machine that requires temperature control. If the machine is malfunctioning, the indicator light on the operation panel will flash, and the alarm interface can be queried to the cause of the malfunction. If you cannot query the cause, you can rule out the causes of the malfunctions. According to the following malfunction causes, you should be able to solve the problem in the shortest time possible.

Cannot start the machine after switching on power

1. Fuse burnt

2. Fault in controller

3. Power reverse phase

Indicator for medium short age

1. Diathermanous oil shortage

2. Switch for water/oil level broken

3. Low water pressure

Indicator for phase fault

1. Phase error

2. Voltage error

3. Controller fault

Indicator for pump overloading

1. Pump fault

2. Voltage error

3. System pressure too high

4. Onboard current too small

5. Onboard current module damage

No heating

1. Heater broken

2. Controller broken

3. Contactor broken

4. Incorrect setting of temperature

5. High temperature protector tripped

6. Pump fault

7. Diathermanous tubes blocked

8. P. l. D parameter of microcomputer controller is wrong

No cooling

1. Cooling water not started

2. Solenoid valve fault

3. Controller broken

4. Cooling water temperature high

5. Y-filter blocked

Deflection fault and temperature control imprecise

1. Incorrect P. I. D setting

2. Cooling water shortage

3. Controller fault

4. Solenoid valve fault

5. Inlet water or cooling water one-way valve leaking

Pump noise too high or leakage of oil of the pump

1. Pump fault

2. Shaft seal broken

3. Pump seal broken

Pump failure

1. Pump broken

2. Pump contactor broken

3. Impeller blocked

Temperature Control Units by Wensui

The Wensui mold heater warms or cools the abrasive tool and maintain its working temperature, ensuring product quality and optimizing the processing time. Mold heaters are available in two heat transfer media, water and oil. With a heating power ranging from 6 to 60 kW and a cooling water pressure of 2 to 5 kg/cm², we have a wide range of temperature control units for your plastic production. We have an expert sales team, if you have any machine problems, please feel free to contact us via project@wensui.com.