Graco G-Barrier, Instructions Manual

Page: 14 / 18

Troubleshooting
14 3A5056B
Troubleshooting
The status lights (see F
IG
. 8) brighten and dim based on the output voltage of the appropriate channel.
If the light becomes dim or turns off when the field apparatus is connected, it may be drawing too much power for cor-
rect operation, or the device or cable may be shorted. Determine the fault and replace or repair parts as necessary.
The following tests can be used to validate the operation of the barrier:
Parts
* Part of G-Barrier Power Connector Kit 25E511
Parameter Procedure Valid Range
Input Voltage Check with meter 12 VDC to 24 VDC
Output Voltage with no load Check with meter 15 VDC
Output Voltage with load Check with meter Compare to current from graph. See Performance ,
page 15.
Output Current with load Check with meter Compare to voltage from graph. See Performance ,
page 15.
Part Description Qty
26A507 Circuit, IS power barrier 1
116343 Ground screw 1
19A612* Power input connector, six position 3
17T870* Power input connector, two position 1