Troubleshooting And Fault Finding - zika I-PLAS 25 Owner's Manual

TROUBLESHOOTING AND FAULT FINDING

Notes: The following operations must be performed by qualified electricians with valid certifications. Before
maintenance,please contact with us for professional suggestion.
Fault symptom and solutions of CUT 70:
Fault symptom
Switch indicator is on, fan is not working and
control knob is out of work.
Switch indicator is lit and fan is working. However,
press control knob of torch, there is no HF
arc-striking sound and electromagnetic valve is not
working.
Switch indicator is lit and fan is working. However,
press control knob of torch, there is no HF arc
striking sound and inner red diode is lit.
Switch indicator is lit and fan and electromagnetic
valve are working. However, there is no sound of
HF arc-striking and inner red diode is not lit.
Other of machine is normal, but arc is not be
stricken when it is be operating.
OWNER'S MANUAL
1. Over voltage protection is working. Turn off machine then Turn
on it again after several minutes.
1. Check if torch is open circuit.
2. Check if control knob of torch is damaged.
3. Part of assistant power of top board is damaged and there is
no DC 24V output.
1. Check if MOS K34207 of top board is damaged (driver mould
is damaged).
2. Rising transformer of bottom board is damaged.
3. Control mould is damaged.
There is some trouble in part of arc-striking, such as:
1. It is too far between discharge tip or there is adhesion in
discharge tip.
2. Primary coil of arc-striking transformer is damaged or poor
contact.
3. Check if four times voltage rectifier diode is stricken.
4. Check if HF electric capacity 102/10KV is leaking.
Relay is damaged.
1. Input voltage is too low.
2. Pressure of air compressor is too high or too low.
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Remedy
I-PLAS25/40