Steris Basil 4700 - Page 81

7-12
920509-645 Operator Manual Troubleshooting
20. Alarm sounds and screen dis-
plays:
COOLDOWN TANK FULL
and printer prints:
ALARM: HH:SS:MM
COLLDOWN TANK FULL
Cooldown tank high water level malfunction
1. Press ACK touch pad to acknowledge alarm.
2. Verify operation of float – clean as necessary.
3. Press RESUME CYCLE touch pad to resume cycle operation.
4. If situation reoccurs, call STERIS.*
21. Alarm sounds and screen dis-
plays:
COOLDOWN TANK FLOAT
FAILURE
and printer prints:
ALARM: HH:SS:MM
COOLDOWN TANK FLOAT FAIL-
URE
1. Press ACK touch pad to acknowledge alarm.
2. Cooldown tank high or low water level malfunction – verify opera-
tion of float. Clean as necessary.
3. Press RESUME CYCLE touch pad to resume cycle operation.
4. If situation reoccurs, call STERIS.*
22. Alarm sounds and screen dis-
plays:
COOLDOWN RTD DEFECTIVE
and printer prints:
ALARM: HH:SS:MM
COOLDOWN RTD DEFECTIVE
1. Press ACK touch pad to acknowledge alarm.
2. Cooldown tank RTD malfunction – clean RTD.
3. Press RESUME CYCLE touch pad to resume cycle operation.
4. If situation reoccurs, call STERIS.*
23. Alarm sounds and screen dis-
plays:
pH TOO LOW
CHECK INJ. SYSTEM
and printer prints:
ALARM: HH:SS:MM
pH TOO LOW
CHECK INJ. SYSTEM
1. Press ACK touch pad to acknowledge alarm.
2. Acid neutralizer container empty – verify and replace container.
3. Wrong chemical used – verify and replace as necessary.
4. Self-cleaning screen clogged – clean strainer (if pH is done in
sump).
5. Press RESUME CYCLE touch pad to resume cycle operation.
6. If situation reoccurs, call STERIS.*
* Service Charges may be incurred. Consult your warranty for details.
Table 7-2. Fault Chart (Cont’d)
PROBLEM POSSIBLE CAUSE AND CORRECTION