Labconco Glassware Washer Service/Technical Manual
25
Faulty Temperature
Sensor
Check Connectors between Ribbon
Cable and PC Board.
Temp Sensor Bad. Replace.
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 Replace grommet.
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