MK Products RoboKing - Manual (Page 14)

RoboKing Owner's Manual - Page 7
cable and Amphenol. If this cable becomes damaged, a variety of symptoms
can occur, depending on which wire(s) break. To test, check each wire for
continuity and shorts.
t
eStinG the
t
orch
See "W" clocked torch wiring diagram for infomation about pin-outs and locations.
Motor Check
Remove the torch connector from the cabinet.
Using the torch Amphenol connector, check the resistance across pins “A”
and “B” (motor leads). The resistance across the motor should be between
5-10 ohms.
If an open circuit or short exist, check the motor leads and motor
independently.
t
rouBleShootinG Guide
Trouble Cause Remedy
No wire feed at torch,
feeder not operating, I.e.
no slave motor or brake
solenoid.
Control fuse in feeder/Control box
blown.
Replace fuse.
Broken electrical cable. Check motor leads for continuity.
No wire feed at torch,
feeder operating properly.
24VAC control fuse in feeder/
Control box blown.
Check motor leads for shorts; then
replace fuse.
Broken electrical cable. Check motor leads for continuity.
Bad speed control/PCB.
See specific cabinet/control box
owner’s manual for speed control
operation.
Wire feeds, but welding
wire is not energized.
Loose or no cable connections. Check all power connections.
Contactor control cable loose or in
wrong position.
Check power supply owner’s
manual for locations and type of
contactor signal required, I.e.,
closing or 115VAC
Welding power source Check power source.
Wire feeds erratically.
Excessive spool drag pressure. Decrease spool drag pressure.
Dirty or worn conduit. Blow out or replace conduit.
Incorrect pressure on drive rolls.
Adjust pressure at both feeder &
torch.
Idler roll stuck.
Adjust pressure at both feeder &
torch.
Idler roll stuck.
Check for lock washer under idler
roll, or replace if damaged.
Wrong size contact tip. See contact tip table.
Wire feeds one speed
only.
Bad speed control.
See specific cabinet/control box
owner’s manual for speed control
operation.
Wire walks out of drive
rolls.
Idler roll upside-down.
Place groove in idler roll toward
top.
Rear wire guide missing. Replace wire guide.