BUG-O Systems Stiffener Welder - Manual (Page 26)

TROUBLESHOOTING GUIDE
26
PROBLEM CAUSE REMEDY
Does Not Run,
Indicator Light Off.
No Power
To Machine.
Check Power Line Supply
Voltage. Plug In Line
Cord Firmly.
Does Not Run,
Indicator Light Off.
Circuit Breaker
Tripped.
Wiring Shorts. Disconnect Machine And
Examine Internally;
Rewire At Fault.
If None Found, Throw
Direction Switch To “Off”,
Reset Breaker, And Plug In.
Shorted Motor. If Breaker Does Not Trip,
Replace Drive Unit.
Faulty Speed
Control Board.
If Breaker Trips Again,
Replace Control Board.
(OR)
Burned Out
Transformer.
ReplaceTransformer.
Does Not Run,
Indicator Light On.
Bad Connection. Check Wiring Connections,
20 VAC Should Appear
Across Secondary Of
Transformer.
Faulty Speed
Control Board.
If DC Volts = 0 Across
Leads To Motor,
Replace Control Board.
Unit Runs,
But No Control
Over Speed.
Faulty Speed
Control Board.
Replace Control Board.
(Check Connection First).
NOTE:
Make Sure Unit Is Plugged Into Correct Voltage,
(120 VAC, 240 VAC, 42 VAC) Corresponding To Model Number Rating.
20 VAC Should Appear Across Secondary Of Transformer In All Cases.