CIGWELD 170Oi, Service Manual, Page: 50 / 92

TRANSTIG 170Pi
TROUBLESHOOTING 6-4 Manual 0-5242
6.03 Factory Reset
To perform a Factory Reset, press the Trigger Mode Button while turning on the mains power.
Art # A-11691_AB
Figure 6-1
NOTE
In some cases a fault may be caused by mis-adjustment of parameters. Performing a factory reset
may correct this.
6.04 Advanced Troubleshooting
If the problem cannot be solved by the basic (external) troubleshooting guide, the Power Source covers will
have to be removed to allow the technician to analyse failures with a few common tools.
!
WARNING
Turn off power and disconnect mains supply plug from receptacle before working on the unit. Allow
two minutes for capacitors to discharge after disconnection from mains supply voltage.
Checking Unit Before Applying Power
!
The following safety information shall be read before starting troubleshooting and servicing.
1. Turn ON/OFF Switch to OFF position, and disconnect unit from primary line voltage before working on unit.
2. Significant DC voltage can remain on capacitors after unit is OFF. Wait until all front panel LED’s are
OFF before removing case.
3. Check DC bus voltage according to Section 6.10 after removing case and make sure the DC bus voltage
is closed 0V.
4. Before troubleshooting or applying power to unit, complete the following checks to avoid causing
further damage.