Graco QUANTM QTC Series Instructions Manual page 26

LED Indicator
Troubleshoot LED Indicator Event Errors
LED Indicator Problem
Yellow, *Leak sensor alert.
flashing,
continuous
flash
Green, Equipment stalled
flashing, against pressure.
continuous
flash
No light (off) Voltage detection
error.
* A leak sensor is not provided with the equipment. Accessory kits are available (purchase separately). See your related motor
manual. See Related Manuals, page 2.
26
Cause
Leak detected in the equipment.
The leak sensor disconnected.
A valve downstream in the fluid
line is closed or clogged.
Special-case cause.
System not powered.
Control failure.
Solution
Check the diaphragm for rupture or
incorrect installation. Repair or
replace.
Ensure the leak sensor is properly
installed. See your related leak
sensor manual.
Open the valve.
Follow the Pressure Relief
Procedure, page 21, and clear the
valve.
Be aware that the equipment is
energized. Special-case action.
See your related motor manual.
See Related Manuals, page 2.
Contact Technical Support.
Check power connection.
Check the branch circuit for proper
voltage.
Replace the control board. See
your related motor manual. See
Related Manuals, page 2.
3A8947A