7
4 ERRORS AND FAULT FINDING (To reset the machine after an error, turn the power off for 5 seconds and then turn on again)
The machine doesn’t turn on
• The plug is not inserted into the plug socket
• Fuse blown
• Internal error
• Check machine is plugged in
• Replace fuse, external/internal
• Contact Star Universal
E1
(power detected across
elements when the machine
is not cycling)
• Power relay stuck on
• Board fault
• Replace relay
• Replace board
E2
(Jaws failed to close after
start signal received)
• Jaws timeout too low
• Board fault
• Increase jaws timeout (see p6)
• Replace board/contact Star universal
E3
(no power detected across
the element when the
machine is running a weld
cycle)
• Broken element
• Power relay stuck off
• Board fault
• Transformer blown
• Replace element
• Replace power relay
• Replace board/contact Star Universal
• Contact Star Universal
E4
(Jaws Failed to open after
cycle)
• Jaws timeout too low
• Relay stuck on
• Board fault
• Increase jaws timeout (see p6)
• Replace tapes (leaving loose)
• Replace board
• Link on KNIFE I/P broken
E6
(Temperature rise in element
not sensed within timeout)
• Timeout not set right
• Broken element
• Power relay stuck off
• Board fault
• Transformer blown
• Adjust timeout (see p6)
• Replace element
• Replace power relay
• Replace board/contact Star Universal
• Contact Star Universal
• Thermocouple not connected
• Thermocouple broken
• Power relay stuck on
• Board fault
• Check thermocouple is connected to board
input
• Check thermocouple is in the correct
position on jaw (see p)
• Replace thermocouple
• Replace power relay
• Replace board/contact Star Universal