Graco h30 - Troubleshoot LED Indicator Event Errors

LED Indicator
3A9286B 25
Troubleshoot LED Indicator Event Errors
If an event error occurs, the LED Indicator will blink a
set number of times corresponding to the event code
that needs acknowledged.
Follow the Pressure Relief Procedure, page 22,
before checking or repairing the equipment.
Check all possible problems and causes before
disassembling equipment.
Troubleshoot LED Indicator Event Errors
LED Indicator Problem Cause Solution
Red, flashing,
one flash
Motor or controller
overheating.
Hot operating environment or hot
operating conditions.
Turn the control knob (K) to the off
(0) position. Keep the system
connected to power and allow the
equipment to cool before returning
to operation.
Inspect the fan. Repair or replace
as needed. See your related motor
manual. See Related Manuals,
page 2.
Motor temperature
sensor disconnected.
Motor sensor not connected or
motor not reading the temperature
sensor.
Ensure the encoder cable is
properly connected to the control
board. See your related motor
manual. See Related Manuals,
page 2.
Red, flashing,
two flashes
Motor current error. Special-case cause. Turn control knob down, the back
up. If the problem persists, contact
Technical Support.
Red, flashing,
three flashes
Voltage error. Input voltage is too high, too low,
or too noisy.
Check line power voltage.
Check control board connections.
See your related motor manual.
See Related Manuals, page 2.
Red, Flashing,
four flashes
Motor sensor error. Motor sensor disconnected. Ensure the motor sensor cable is
properly installed. See your related
motor manual. See Related
Manuals, page 2.
Motor sensor not functioning. Replace the motor sensor. See
your related motor manual. See
Related Manuals, page 2.
Red, flashing,
five flashes
Special-case
problem.
Special-case cause. Power cycle the unit. If the error
persists, contact Technical
Support.
Red, flashing,
six flashes
Motor lead
connection error
One or more motor leads are
connected incorrectly.
Check that all motor connections to
the control board are correct.
Triplex Sales
1-847-839-8442
www.triplexsales.com