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
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