Graco Merkur 313255F Instructions Manual page 22

DataTrak Operation
Symbol
22
Table 1:Diagnostic Codes
Code Code Name
Runaway
(DataTrak only)
E-1 Diving Up
E-2 Diving Down
E-3 Low Battery
E-4 Service Component
1
(units with runaway
protection only)
E-4 Disconnected
Solenoid
(units with runaway
protection only)
E-5 Service Component
2
E-6 Blown Fuse
Diagnosis
Pump running faster • Increased air pressure.
than set runaway • Increased fluid output.
limit. • Exhausted fluid supply.
Leak during Worn piston valve or packings.
upstroke.
Leak during Worn intake valve.
downstroke.
Battery voltage too Low battery. Replace battery; see
low to stop runaway. page 23.
Problem with • Damaged solenoid.
stopping runaway. • Damaged valve carriage.
• Runaway (RT, F
may be enabled with pump that
is not equipped with a runaway
solenoid valve. Enter setup
screen and disable runaway pro-
tection.
Solenoid is • Solenoid unplugged.
disconnected. • Damaged solenoid wires.
Solenoid is not • Bracket and solenoid not tight
engaging piston cup against air valve housing.
(112).
Problem with • Sensors unplugged.
sensing valve • Sensors mounted incorrectly.
movement. • Damaged sensors.
• Damaged valve carriage.
Fuse is blown. • Faulty solenoid or solenoid wir-
Replace fuse; see ing.
page 23. • Extreme temperatures (above
140°F [60°C]).
• Runaway (RT, F
may be enabled with pump that
is not equipped with a runaway
solenoid valve. Enter setup
screen and disable runaway pro-
tection.
Cause
. 8) protection
IG
. 8) protection
IG
313255F