If you encounter product faults that cannot be solved by the methods in the above table,
please contact our after-sales service department for technical support and do not
disassemble the equipment by yourself.
AC input relay short-
circuit
Relay for AC input sticking.
Manually turn off and restart the machine,
if the fault reappears after restarting, you
need to contact the after-sales service to
repair the machine.
AC input phase does not
match AC output phase.
Make sure that the phase of the AC input
is the same as the phase of the AC output.
For example, if the output is in split-phase
mode, the input must also be in split-
phase mode.
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