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271
2
272
2
273
2
274
2
275
2
276
2
277
2
280
2
281
2
11. Frequently Asked Questions
Problem
1
Changing rollers:
The welding rollers can only be detached
with difficulty.
Display of negative temperature values.
2
Rapid and repeating heating-up phases.
38
Error 271: Air Temperature Setpoint too high.
Heat Controller Restart initiated
Error 272: Wedge Temperature Setpoint not
reached. Lower Airvolume or Temperature
Setpoint, restart Heater
Error 273: Wedge Temperature Setpoint too
high. Heat Controller Restart initiated
Error 274: Air Temperature Setpoint not
reached. Lower Airvolume or Temperature
Setpoint, restart Heater
Error 275: Air Temperature Setpoint too high.
Heat Controller Restart initiated
Error 276: PWM for slow Hot Air Controller
too low. Check Thermocouple.
Error 277: PWM for fast Hot Air Controller
too low. Check Thermocouple.
Error 280: Shop Air Pressure too low. Clamp
Pressure Setting lowered.
Error 281: Shop Air Pressure too low. Weld
Pressure Setting lowered.
Solution
To change the rollers, swivel out the nozzle
and switch on the motor for the welding arm used.
Press the "Raise Wheel" pedal.
The rollers are now blocked for five minutes and can be changed
without any problems.
The thermocouple has not been connected properly. Observe the
polarity of the connecting wires. Please refer to the wiring diagram
for the polarities and wire colors for the correct connection.
Air Temperature during Heat-Up (slow Cont-
roller) can not be reached for long Time. Air
Temp. Controller has been reset. Stop and
restart Heating.
Wedge Temperature can not be reached.
Setpoint is too high or Ambient Temperature
of SEAMTEK AT is too low.
Wedge Temperature can not be reached for
long Time. Wedge Temp. Controller has been
reset. Stop and restart Heating.
Air Temperature of fast Controller can not be
reached. Setpoint is too high, Air Volume is
too high. Ambient Temperature or Inlet Air
Temperatur of SEAMTEK AT is too low.
Air Temperature of fast Controller can not be
reached for long Time. Air Temp. Controller
has been reset. Stop and restart Heating.
PWM < 50. Thermocouple not connected or
broken.
PWM < 50. Thermocouple not connected or
broken.
Shop Air Pressure too low. Check and increa-
se Pressure to min 6 bar. Clamp Pressure
Set point adjusted (lowered). Check and
correct if necessary.
Shop Air Pressure too low. Check and increa-
se Pressure to min 6 bar. Weld Pressure Set
point adjusted (lowered). Check and correct if
necessary.
or
or
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