7-8
122998-741
Operator Manual
Troubleshooting
6.
Screen displays:
SUMP RTD FAILURE
and printer prints:
ALARM: HH:SS:MM
SUMP RTD FAILURE
1.
Faulty RTD sensor in chamber sump - Clean as necessary.
2.
Call STERIS*.
7.
Screen displays:
SUMP WATER TEMP
TOO HIGH
and printer prints:
ALARM: HH:SS:MM
SUMP WATER TEMP
TOO HIGH
1.
Faulty RTD sensor in chamber sump - Clean as necessary.
2.
Call STERIS*.
8.
Screen displays:
SUMP FAILED TO REACH
TEMP
and printer prints:
ALARM: HH:SS:MM
SUMP FAILED TO REACH TEMP
1.
Steam supply valve not fully open - Open building and washer sup-
ply valves.
2.
Temperature set too high - Decrease programmed temperature set
point.
3.
Poor electrical connection between sump RTD sensor and control -
Inspect connections and tighten if necessary.
4.
Low dynamic steam pressure - Provide steam at pressure speci-
fied on equipment drawing.
5.
Faulty RTD sensor in chamber sump - Clean as necessary.
6.
Call STERIS*.
9.
Screen displays:
UNKNOWN FAILURE
DETECTED
and printer prints:
ALARM: HH:SS:MM
UNKNOWN FAILURE
DETECTED
Call STERIS*.
10. Screen displays:
pH TOO LOW
CHECK INJ. SYSTEM
and printer prints:
ALARM: HH:SS:MM
pH TOO LOW
CHECK INJ. SYSTEM
1.
Acid neutralizer container empty - Verify and replace container.
2.
Wrong chemical used - Verify and replace as necessary.
3.
Self-cleaning screen clogged - Clean strainer (if pH is done in
sump).
4.
Call STERIS*.
Table 7-2. Operator Troubleshooting Chart - Alarm and/or Printout (Cont’d)
PROBLEM
POSSIBLE CAUSE AND CORRECTION