Nirvana n37 37kw
Check encoder
These compressors are costly even the parts to maintain.I would first check if you cooling fan for the vsd drive is working which is located in the electrical panel of the compressor.A failing fan or one that has failed would cause this fault
Testimonial: "The fan works correctly"
do you mean DVF FAN, DRIVE BOX VENTILATIO
when the power is applied it rotates slowly one turn and then stop when i push start VSD 7 fault occurs
Fault 7 check encoder
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VSD 7 fault the compressor does not start
check hall effect sensor
Vsd fault 7 check encoder
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