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®
1.2 Plasma Cutter LTP5000D FAN TROUBLESHOOTING
If machine powers on but you cannot hear the fan running and you can strike an arc then
try the following steps:
Turn off the machine and pull the plug from the socket. Try to open the machine:
a) Check the cable connected to the fan on the bottom board. Highlighted in red. Make
sure it is tightly connected.
b) Then power on the machine, to see if the fan works or not.
c) If problem remains, with this step you need to be very careful, since the power is on.
Please wear Insulating gloves and shoes to do this.
i). Pull out the fan socket (as highlighted in red),
ii). Plug the power, turn on the machine
iii). Use the voltage meter to test if the voltage between the two pin of the fan socket is
around 25 V or not.
d) If the voltage is around 25 V, then the fan is damaged, we can send a fan to you, you
can replace the fan.
If this step doesn’t work that means that the repair is too complex, in this case, please send
the machine back to us.
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