Graco EFR Instructions-Parts List Manual page 30

Troubleshooting
Error Code Code Description
L6TB Blue Auto Refill
Timeout
MAA0 Pump A Cycles
Exceeds Limit
Setting
MAB0 Pump B Cycles
Exceeds Limit
Setting
MED1 Dispense Valve
Cycles Exceeds
Limit Setting
P1DA Low Pressure Alarm
Outlet A
P1DB Low Pressure Alarm
Outlet B
P1FA Low Pressure Alarm
Inlet A
P1FB Low Pressure Alarm
Inlet B
30
Cause
No material is actually being fed
Loose level sensor connection
Bad level sensor
The number of Pump A (or B) cycles
has exceeded the limit entered on
the Setup Maintenance 1 screen
The number of Dispense Valve
cycles has exceeded the limit
entered on the Setup Maintenance 1
screen
Pressure A is below user-defined
dispense pressure limit
Pressure B is below user-defined
dispense pressure limit
Pressure A is below user-defined
dispense pressure limit
Pressure B is below user-defined
dispense pressure limit
Solution
Make sure the feed pumps are
operating properly
Check for loose or disconnected
wires or plugs
Replace level sensor
Raise or enter 0 in the
corresponding cycle counter limit.
Set the corresponding Pump or
Dispense Valve counter to 0.
Check feed system for low or empty
material.
Increase dispense rate.
Check pressure settings on setup
screen.
Check feed system for low or empty
material.
Increase dispense rate.
Check pressure settings on setup
screen.
Check feed system for low or empty
material.
Check feed system filters for
blockage if installed.
Check for blockage in feed system.
Check pressure settings on setup
screen.
Check feed system for low or empty
material.
Check feed system filters for
blockage if installed.
Check for blockage in feed system.
Check pressure settings on setup
screen.
3A6165J