7-9
Troubleshooting Operator Manual 920509-645
8. Alarm sounds and screen
displays:
ALK. TANK
TOO LONG TO DRAIN
and printer prints:
ALARM: HH:SS:MM
ALK. TANK
TOO LONG TO DRAIN
1. Press ACK touch pad to acknowledge alarm.
2. Transfer valve closed – call STERIS.*
3. Floor drain obstructed – flush out line.
4. Press RESUME CYCLE touch pad to resume cycle operation.
5. If condition reoccurs, call STERIS.*
9. Alarm sounds and screen
displays:
ALK. TANK
RTD FAILURE
and printer prints:
ALARM: HH:SS:MM
ALK. TANK RTD FAILURE
Faulty RTD sensor in detergent tank.
1. Press ACK touch pad to acknowledge alarm.
2. Clean RTD as necessary.
3. Press RESUME CYCLE touch pad to resume cycle operation.
4. If situation reoccurs, call STERIS.*
10. Alarm sounds and screen
displays:
ALK. TANK
FAILED TO REACH TEMP
and printer prints:
ALARM: HH:SS:MM
ALK. TANK FAILED TO REACH
TEMP
1. Press ACK touch pad to acknowledge alarm.
2. Steam supply valve not fully open – open building and washer sup-
ply valves.
3. Temperature set too high – decrease programmed temperature set
point.
4. Fill water temperature too low – increase temperature of building
water supply.
5. Faulty RTD sensor in detergent tank – clean as necessary.
6. Press RESUME CYCLE touch pad to resume cycle operation.
7. If situation reoccurs, call STERIS.*
11. Alarm sounds and screen
displays:
ACID TANK
TOO LONG TO FILL
and printer prints:
ALARM: HH:SS:MM
ACID TANK TOO LONG TO FILL
1. Press ACK touch pad to acknowledge alarm.
2. Hot water supply valve closed – open building and washer supply
valves.
3. Manual drain valve open – close valve.
4. Water level float ball malfunctions – call STERIS.*
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
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