30 DCM00003 REV. 07
4.5 Troubleshooting Guide
Table 4.1 Troubleshooting Guide
Problem Solution
System will not turn on.
Power cable plugged in.
Power turned on at the outlet.
Check internal fuses on the Controller Line
Board.
Plant fuse fails or circuit breaker trips
when plugging the unit into an electrical
outlet.
Inspect power cord, replace if shorted.
Check line filter, replace if failed.
Plant fuse fails or circuit breaker trips
during weld cycle.
Check current rating of the plant fuse or
the circuit breaker, replace if failed.
Line fuse fails.
Check fuse current rating, replace if
incompatible.
Check fan motor, replace if failed.
Horn will not move down or up.
System not connected to air supply.
Air not turned on.
Get Emergency Stop when system is
turned on.
Check Emergency Stop Switch.
All cables properly connected.
Press red switch on foot pedal. (if system
is equipped with one)
No Sonics when test button is pressed.
RF Cable connected.
Check RF cable for broken wire.
Ribbon cable in power supply between
SPM and programmer unplugged.
No sonics during weld cycle.
Check all cable connections.
Check start cable for broken wires.
Check inside power supply for loose start
cable from rear of unit to programmer
board.
Check thermo switch in power supply.
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