7-4
920509-645 Operator Manual Troubleshooting
13. Chamber does not drain prop-
erly.
NOTE: 1 to 2 inches
(25 to 50 mm) of water remain
in sump after draining.
1. Self-cleaning screen clogged – remove debris from screen.
2. Drain line plugged – flush out line.
3. Defective drain valve – call STERIS.*
4. Drain time set too short – call STERIS.*
14. Load comes out dirty. 1. Empty detergent container – replace container.
2. Incorrect detergent used – use recommended products.
3. Spray jets clogged – clean jets.
4. Pump suction strainer clogged – clean strainer.
5. Water temperature in excess of 195 °F (91 °C) – lower temperature
set point.
6. Self-cleaning screen clogged – remove debris from screen.
7. Loose hose connection on pump suction strainer – tighten hose
clamps or replace as necessary.
8. Spray jets misaligned – realign jets toward load surfaces.
9. Pump rotating in wrong direction – call STERIS.*
15. Printing defect appears consis-
tently in the same column.
Debris trapped on print head – dislodge debris by removing paper
from printer, inserting a one-inch wide strip of bond type paper
under the print head and moving the paper in both linear and circu-
lar motions.
16. Unit will not start. 1. Power OFF – turn power ON (3 phase).
2. Hot water supply OFF – turn hot water supply ON.
3. Door switch failure – make sure door (s) is closed completely.
4. Faulty level sensing – clean probes in sump.
5. Blown fuse – call STERIS.*
17. Pump pressure too low. 1. Faulty level sensing – clean water level probes in sump.
2. Temperature in excess of 195°F (91°C) – lower set-point tempera-
ture.
3. Self-cleaning screen blocked – remove, clean and reinstall prop-
erly.
4. Too much soap – rinse with cold water and decrease usage.
* Service Charges may be incurred. Consult your warranty for details.
Table 7-1. Troubleshooting Chart (Cont’d)
PROBLEM POSSIBLE CAUSE AND CORRECTION