Graco QUANTM i30 - Troubleshooting; Common Problems and Solutions

Troubleshooting
30 3A8572B
Troubleshooting
Follow the Pressure Relief Procedure, page 22,
before checking or repairing the equipment.
Check all possible problems and causes before
disassembling equipment.
Problem Cause Solution
Equipment emits beeping
alert sound, LED light
yellow
Pump starting automatic startup sequence.
Pump is connected to a power source and
the control knob (K) is not set to the off (0)
position.
Turn the control knob (K) to the off (0)
position or disconnect power to the
system.
If prepared to operate, allow the pump to
complete the automatic startup sequence.
LED light flashing Equipment error; special-case cause. See Troubleshoot LED Indicator Event
Errors, page 26.
Equipment cycles, but
does not prime or pump (It
is normal operation for
auto-prime to run and then
stop once the pump is
primed).
Equipment running too fast, causing
cavitation before prime.
Slow down the motor speed.
Fluid not detected by the auto-prime sensor. Ensure the suction end of the fluid supply
line (F) is inserted into the fluid to be
dispensed.
Allow the auto-prime sequence to run for
30 seconds.
Check is worn or wedged in the seat or
manifold.
Replace check and seat.
Worn seat. Replace check and seat.
Restricted outlet or inlet port. Remove restriction.
Loose inlet fittings or manifolds. Tighten.
Damaged manifold seats. Replace.
Equipment does not hold
fluid pressure at stall
Worn check, seats, or seals. Replace.
Loose manifold connections or fluid
connections.
Tighten.
Loose diaphragm shaft fastener. Tighten.
Equipment leaking fluid
externally from joints
‡
Loose manifold connections or fluid cover
connections.
Tighten.
Worn manifold seats or seals. Replace.