Air Valve Assembly Definition

The Air Valve Assembly is located at the top of the Gantry under the Gantry Cover.
The Air Valve Assembly and the ECU/Driver Pack signals control:
There are test buttons on the Air Valve Assembly to evaluate each of these functions for troubleshooting.

Connections:

The Air Valve Assembly is located at the top of the Gantry under the Gantry Cover.

Troubleshooting:

If the Clamps are not engaging:
- Check the Air Compressor and make sure it is on.
- Check the air lines to make sure they are not kinked.
- For the Z Series, see if the Mat Clamp Pressure Knob on the Control Panel is set to the low setting.
- For the Z Series, make sure the Clamp Pressure Adjustment on the Control Panel isn’t set too low.
- Are the connection cables for the ECU/Driver Pack, Gantry, Computer and Control Panel (if appropriate) on tight?
- Turn off the ECU/Driver Pack close the software. Turn on the ECU/Driver Pack restart the software.
- Check the Clamp Actuator Valve in the Air Valve Assembly located in the Gantry.
  - The Air Valve Assembly may need to be replaced.
If the VPO Head is not Lifting/Lowering to the material:
- Check the Air Compressor and make sure it is on.
- Check the air lines to make sure they are not kinked.
- Make sure the VPO on the Head is not set too low.
- Are the connection cables for the ECU/Driver Pack, Gantry, Computer and Control Panel (if appropriate) on tight?
- Turn off the ECU/Driver Pack close the software. Turn on the ECU/Driver Pack restart the software.
- Check the Head Lift Actuator Valve in the Air Valve Assembly located in the Gantry; the Air Valve Assembly may need to be replaced.
If the Non-VPO Head is not Lowering/Lifting up from the material:
- Check the Air Compressor and make sure it is on.
- Check the air lines to make sure they are not kinked.
- Are the connection cables for the ECU/Driver Pack, Gantry, Computer and Control Panel (if appropriate) on tight?
- Turn off the ECU/Driver Pack close the software. Turn on the ECU/Driver Pack restart the software.
- Check the Head Lift Actuator Valve in the Air Valve Assembly located in the Gantry; the Air Valve Assembly may need to be replaced.
If the Blade Cartridge is not Plunging:
- Check the Air Compressor and make sure it is on.
- Check the air lines to make sure they are not kinked.
- Are the connection cables for the ECU/Driver Pack, Gantry, Computer and Control Panel (if appropriate) on tight?
- Turn off the ECU/Driver Pack close the software. Turn on the ECU/Driver Pack restart the software.
- Check the Blade Cartridge Plunge Actuator Valve in the Air Valve Assembly located in the Gantry; the Air Valve Assembly may need to be replaced.

See: