Graco h30 - Troubleshooting

Troubleshooting
3A9286B 29
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 25.
Equipment cycles, but
does not prime or pump
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.
Equipment stalled, will not
cycle
Fluid line clogged or valves closed. Inspect; clear.
Open valves downstream of the
equipment.
Motor or controller wired improperly. Wire per instructions in your related motor
manual. See Related Manuals, page 2.
Leak sensor tripped. Check diaphragm for rupture or incorrect
installation. Repair or replace.
Triplex Sales
1-847-839-8442
www.triplexsales.com