9-18
129390199 Operator Manual Troubleshooting
9.4.4 Too Long To
Unseal OE/NOE
Door
Occurs if door seal
pressure does not drop
below 5 psig (0.4 bar)
within allotted time.
Alarm Screen
Alarm Detail
Door seal pressure not below
5 psig (0.4 bar) within allotted
time.
Causes and Correction:
1. Seal pressure switch
malfunction
• Readjust PS1 (PS2)
• Replace PS1 (PS2)
2. Seal not retracting
• Check seal steam
• Check seal exhaust
3. Valve malfunction
• Repair V37 (V38)
• Repair V35 (V36)
9.4.5 Chamber
Pressure
Transducer Failure
Occurs if chamber
pressure reading is
outside the normal range.
Alarm Screen
Alarm Detail
Transducer, PT1, output voltage is
outside normal range.
Causes and Correction:
1. Loose connection in
transducer wiring
• Repair
2. Transducer failed
• Replace
• Recalibrate
3. Control out of calibration
• Recalibrate (contact qualified
Service person)
Table 9-3. Operator Troubleshooting – Sensor Alarms (Continued)
Condition Alarm Screen on Sterilizer Control Service Information
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