Graco 26A814, Instructions Manual

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Troubleshooting
3A7031A 21
Troubleshooting
1. Follow the Pressure Relief Procedure detailed in
the pump manual before working on the lubrication
system, pump, or lubrication lines.
Problem Cause Solution
Display or LED does not come on Incorrect or loose wiring Refer to Installation , page 7.
Input voltage is out of range Confirm that the power source is
between 9 and 30 VDC.
Tripped external fuse Confirm that none of the devices or
wiring connected to the controller
are causing a short circuit
connection. If necessary, replace
fuse.
Pump is not running during
lubrication event Incorrect or loose wiring Confirm current is being delivered to
the pump during a lubrication event.
Verify that your machine has been
wired correctly. Refer to
Installation , page 7.
Controller output is incorrect Confirm output voltage (Pump
) from controller during
lubrication event is correct (should
be similar to input voltage).
If controller output voltage is never
present, the device may need
replacement.
Measure at controller to ensure
there is not a wiring issue causing
the problem.
Reservoir runs out of grease quickly
and unexpectedly TEST MODE is engaged Turn off TEST MODE.
There is a leak Check reservoir and lines for leaks.
Always in low level Review ground difference between
the GLC X and the switch or sensor Rewire if necessary.