WeldKing CoolCut40air, Руководство пользователя

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Manual no. WM070501
Page 21
CoolCut40 - air
4 The mains power circuit
breaker or fuse nuisance
trip
High ambient temperature Use machine under
rated ambient
temperature
Using an extension cable Use extension cable
Low line mains power
voltage
Use input voltage
according to
specification
Rectifier short circuit Check and replace
Main transformer short
circuit
Check and replace
Control transformer short
circuit
Check and replace
Cooling fan short circuit Check and replace
5 Electric leak at the case Power cord leak Insulate power cord
Transformer contact with
case
Insulate transformer
Not grounding properly Check and redo the
grounding
6 No OCV Problem main circuit Check control PCB,
Power PCB and IGBT
module
7 Machine does not
response after push the
Trigger shortcut or control
cable broken
Replace/re-connect