Labconco FlaskScrubber Vantage Series Glassware Washers 4540031 - Manual (Page 58)

Chapter 7: Troubleshooting
Product Service 1-800-522-7658 54
54
PROBLEM CAUSE CORRECTIVE ACTION
Water Low Alarm Improper water
supply Make sure water is turned on.
Tap water pressure must be at least 20 psi
(138 kPa) and flow must be at least 1.25 gallons
(4.7 liters)/minute.
DI water supply must have flow of at least 0.9
gallons (3.4 liter)/minute.
At least 3.4 gallons (13 liters) must be available
for each DI rinse.
Defective fill valves Clean screens inside the inlet fittings of the water
valves.
Check voltage to valves.
Replace valve if it does not operate.
Restricted flow Check for kinks in water hoses in base of washer
to water inlet fitting on side of tank.
Defective DI water
pump Check voltage at pump.
Listen for pump operation. Replace if necessary.
Defective hose to fill
switch Check for splits.
Check for loose clamps.
Defective fill level
switch Recalibrate switch. Contact Labconco Product
Service.
Replace switch.
Defective controller Check output from PCB to both valves and DI
pump.
Replace PCB. Contact Labconco Product
Service.
Holes in filter screen
too small Contact Labconco Product Service.
Defective grommet
where hose connects
to fill level switch Replace grommet.