Graco ProMix Easy Series Manual page 33

Code Alarm
Operating Errors (con-
tinued)
22 High Ratio (units with
meter[s] only)
23 Low Ratio (units with
meter[s] only)
24 Dose Timeout A (units
with meter[s] only)
25 Dose Timeout B (units
with meter[s] only)
26 Park Timeout
(pump-based units only)
Testing Error
15 Piston packing/ball A*
16 Piston packing/ball B*
17 Inlet Ball A*
18 Inlet Ball B*
19 Dispense Valve A*
20 Dispense Valve B*
27 Pump Calibration
Timeout A
28 Pump Calibration
Timeout B
309908G
Active Problem
Spray Mix ratio higher than
Target + Tolerance
Spray Mix ratio lower than
Target - Tolerance
Spray Air flow switch indicates
more than 40 sec of air
flow without dose com-
pleting
Park Pumps not at bottom of
stroke
Test Pump does not com-
pletely stall in up stroke
Test Pump does not com-
pletely stall in downstroke
Test Pump does not com-
pletely stall in both up
and down strokes
Run A Pump doesn't run
through calibration.
Run B
Cause
Flow rate too high
Slow actuation of dispense valve A or B
Clogged flow meter
Air flow switch stuck open.
Atomizing air leak downstream of air flow switch.
Clogged flow meter.
Gun triggered without fluid (dusting parts)
Sampling valves closed, or gun not triggered.
Piston packing or ball check failure
Intake valve ball check failure
Throat packing or dispense valve failure
Sampling valves closed.
Alarms
33