While the machine is in operational mode (Signal lamp is green):
1. Open the two latches left / right on material hopper and lower the material hopper on its hinge.
2. Observe the signal lamp. This should turn RED immediately and cut the energy from all motors.
3. Reattach the hopper and close the latches.
4. Press green “Start” button on E-box to reset the error-state.
7.2.4 4 – Test pump controller (OPTIONAL: only if pump controller is attached)
WARNING:
Before testing pump controller, ensure that pump unit is not assembled, and that the mixing
shaft is not inserted into the pump. Ensure, that material hopper is attached, and pump
control cable is connected to both printer main E-box and mixing / pump unit.
While machine is connected and in operational mode (signal lamp is green):
1. Turn on m-tec pump circuit breaker and press green “start” button.
2. Remove the material sensor from the pump unit and put it into the ground
3. Turn on pump (on m-tec control board)
4. Pump should run until a load is put onto the material hopper.
5. Load can be applied by pumping water into the printhead. Observe that the pump stops once the
hopper is full.
7.2.5 5 – Test all E-stops
While machine is in operational mode (signal lamp is green):
1. One at a time – for each E-stop button located on the machine (1 on each Z axis, 3 on printhead, 1
in control room, 1 on safety door (if connected)
a. Push the button, observe that signal lamp turns RED.
b. When lamp is red, unlatch the E-stop button by turning it Clockwise.
c. Press the green “start” button on the main E-box to reset. Lamp should turn GREEN.
WARNING: If an E-stop fails to stop the machine (lamp does not light red), stop all operation
immediately, turn off the machine and contact your local reseller or COBOD International
directly.
7.2.6 6 – Test downwards pinch safety
While machine is in operational mode (signal lamp is green):
1. Remove nozzle and nozzle clamp before this operation.
2. Place a wooden joist / board underneath the printhead
3. Move printhead, so bottom part is 150mm above the joist.
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