Chapter 7: Troubleshooting - Labconco 44000 Series User Manual

Chapter 7: Troubleshooting

PROBLEM
Door drops too far
(below door stop)
Poor drying
Poor washing
results
72
Chapter 2: Prerequisites
CAUSE
Bent door hinge
Water is not hot
enough
Flask, beaker, or
labware with concave
bottoms not loaded
correctly
Recondensation
HeaterPsQ disconnected
or malfunctioned
Blower disconnected
or malfunctioned
Water is not hot
enough
Improper loading
Detergent too old or
amount wrong
Detergent caked in cup
Insufficient wash time
Insufficient water
Blocked fill valve
screen
CORRECTIVE ACTION
Replace door hinge.
Check inlet water temperature
Pminimum 120[ FQ at the washer.
Tilt these articles when loading so that
water drains off.
If clean labware is left in the washer,
recondensation may occur. Open latch
after completion of cycle to allow
moisure-laden air to escape.
Reconnect or replace heater.
Reconnect or replace blower.
Check inlet water temperature. Must be
at least 120[F. Recommended
temperature is 150[F.
Check washer loading instructions in
Chapter 4 in this manual.
Replace detergent or change quantity
used.
Clean cup. Replace with fresh
detergent. Check water inlet temerature.
Must be at least 120[F.
Increase wash cycle time.
Check to be sure the water shut-off valve
is fully open. Check to be sure the water
pressure is between 20 and 120 psi at a
flow rate of 1.25 gallons per minute.
Check screen in fill valve.
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