Products Description
Heller 20.003519-05 Main PCB Circuit Board Inquiry Item

Details
This Heller 20.003519-05 is a dedicated main control PCB board for Heller reflow soldering oven. It collects temperature, conveyor speed and sensor signals in real time, executes heating zone temperature closed-loop control, and communicates with the HMI panel. It supports temperature curve setting, fault alarm and status monitoring. It is a core spare part for SMT reflow oven maintenance, used to replace the original damaged board and restore normal production operation of the equipment.
Specifications
Model: 20.003519-05 Brand: Heller Type: Main control PCB board Application: Heller SMT reflow oven Function: Temperature control, signal acquisition, data communication Installation: Direct replacement for original board Certifications: CE
Components & Troubleshooting
Main processing chip, temperature sampling circuit, relay drive circuit, communication interface, terminal connector, printed circuit substrate. Common faults: no power on, temperature sampling abnormal, communication offline, heating zone out of control.
Disclaimer
This spare part shall be installed and debugged by qualified SMT equipment technicians. Cut off power supply before replacement to avoid electrostatic damage.