Chapter 7: Troubleshooting
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50
PROBLEM CAUSE CORRECTIVE ACTION
Poor drying
Dry temperature too
low
Program warmer dry temperature.
Flask, beaker, or
labware with concave
bottoms not loaded
correctly
Tilt these articles when loading so that water
drains off.
Recondensation If clean labware is left in the washer,
recondensation may occur. Open latch after
completion of cycle to allow moisure-laden air to
escape.
Heater(s)
disconnected or
malfunctioned
Reconnect or replace heater.
Blower disconnected
or malfunctioned
Reconnect or replace blower.
Dry time too short Program longer time.
Poor washing
results
Water is not hot
enough
Check Wash 2 water temperature setting. Must
be at least 120°F (49°C). Recommended
temperature is 150°F (66°C).
Improper loading Check washer loading instructions in Chapter 4 in
this manual.
Detergent too old or
amount wrong
Replace detergent or change quantity used.
Detergent caked in
cup
Clean cup. Replace with fresh detergent. Check
water inlet temperature. Must be at least 120°F
(49°C).
Insufficient wash
time
Increase wash cycle time.
Insufficient water 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 (138-827 kPa) at a flow
rate of 1.25 gallons per minute (4.7 liters/minute).
Check water level switch.
Not draining
properly
Clogged filter Clean sump filter.
Drain line clogged or
kinked
Disconnect drain line and clean or remove kink.
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