OM-291865 Page 36
SECTION 10 – TROUBLESHOOTING
This troubleshooting list addresses only potential system problems and does not cover the cobot error and alarm codes. For a comprehensive
list of cobot errors see the cobot operations manual.
Problem Probable Cause Remedy
No drive power .
Emergency Stop Error displayed on pendant.
Solid red light.
Operation ESTOP, Pendant Estop was
activated.
Check both E-Stop switches for activation.
Check Teach Pendant cable.
Check Operation Box cable.
Red light flashing. Free Drive Grip Error or Cobot internal error. Release free-drive enable switch and wait for
flashing red light to turn off.
Clear error on pendant. If error does not pop
back up, then wait for red light to turn off for
about one minute.
If error does not clear, cycle power on the
cobot.
Cobot does not turn on. 120V cord not plugged into wall outlet or wall
outlet has no power.
Check to see if 120V cord coming from cobot
system main disconnect is plugged into wall
outlet receptacle.
Have qualified personnel check to see if 120
VAC is available at wall outlet.
Cobot does not weld. Weld Enable switch on Operation Box is set
to Off.
Set Weld Enable switch to On.
Welder does not turn on. Customer supplied disconnect is switched to
off or fuses are blown.
Check to see if customer supplied disconnect
is in ON position.
Have qualified personnel check to see if cus-
tomer supplied disconnect has blown fuses.
Cobot displays welder communication error
or can’t feed wire or purge gas from teach
pendant.
Communication error between cobot and
welder.
Cycle system power at disconnect located on
back side of system (see Section 8-1).
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