7 — Troubleshooting
166
Operator Manual
AMSCO® 7000 Series 10432589_G
7.4 ABNORMAL NOISE GENERATED BY WASHER/DISINFECTOR
Condition
Abnormal noise generated by washer/disinfector.
General Troubleshooting
Additional Information
If washer/disinfector is noisy in idle state: compressed
air system leaks.
1. Contact STERIS.
If noise is occurring during a wet phase: exterior panel
loose.
1. Verify all screws are tightened.
If noise is occurring during a wet phase: this is the first
cycle following a long pause (steam-heated).
1. Condensate is drained very quickly. This noise is
normal, but should not be heard at next heating.
If noise is occurring during a wet phase: wrong type of
detergent is used; too foamy.
1. Refer to detergent specifications and follow
detergent manufacturer’s recommendations for
quantity of detergent to be used.
If noise is occurring during a wet phase: too much
detergent is injected during treatment.
1. Call supervisor to adjust detergent injection rate.
If noise is occurring during a wet phase: chemical pump is
not properly calibrated.
1. Chemical pump needs calibration, contact STERIS.
If noise is occurring during a wet phase: water volume in
sump too low.
1. Contact STERIS.
If noise is occurring during drying/venting phase: drying
fan impeller loose.
1. Contact STERIS.
7.5 AIR PRESSURE TOO LOW
Condition
Warning is displayed when the main air inlet pressure is detected lower than the minimum requirement during the
cycle. Exact time of occurrence can be viewed on the cycle printout.
General Troubleshooting Additional Information
Air pressure may not be within specifications.
1. Press Silence Buzzer on touch screen to stop alarm
buzzer.
2. Press Ack on touch screen to acknowledge alarm.
3. Verify air pressure utility with maintenance to
ensure it is within specification.
4. Continue normal operation of washer.
5. If Warning is displayed too often, contact STERIS.
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