7-5
Troubleshooting Operator Manual 920509-645
18. Pump pressure too high. 1. Self-cleaning screen blocked – remove, clean and reinstall prop-
erly.
2. Drain valve clogged – call STERIS.*
3. Spray jets clogged – poke debris into jets, remove plugs located at
bottom of spray header, run spray manually, reinstall plugs.
19. Drive not moving. Spray header jammed – verify inside chamber for obstruction.
20. Unit not reaching guarantee. 1. Steam supply off – turn hot water supply on.
2. Set-point temperature too low – raise set-point temperature.
3. Steam strainer plugged – call STERIS.*
4. Steam valve stuck – call STERIS.*
5. Poor quality steam supply – call STERIS.*
6. Condensate line locked – call STERIS.*
7. Guarantee deactivated – reactivate inside control panel.
21. Unit is overheating. 1. Temperature in excess of 195 °F (91 °C) – lower set-point tempera-
ture.
2. Stuck steam valve – call STERIS.*
3. Leaking steam unions – tighten unions.
4. Leaking steam coil – call STERIS.*
22. Sump overfilling. 1. Faulty level sensing – clean water level probes in sump.
2. Filling valve malfunction – call STERIS.*
23. Sump not filling. 1. Hot water supply off – turn hot water supply on.
2. Faulty level sensing – clean probes in sump.
3. Valve malfunction – call STERIS.*
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
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