Chapter 7: Troubleshooting
Product Service 1-800-522-7658
46
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 moisture-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.
Temperature sensor out
of calibration
Verify displayed temperature by attaching a
thermocouple to the temperature sensor. Route
leads outside of the washer. Close and latch the
door while holding the ◄ button. Call Labconco
Product Services if the displayed temperature
differs from the test temperature by more than
±4°C.
Poor washing
results
Water is not hot enough Check Wash 2 water temperature. 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 (4.7 Liters/min) gallons per 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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