9-7
Troubleshooting Operator Manual P129390-106
9.2.6 Over Sterilize
Temperature
Occurs if chamber
temperature exceeds the
maximum sterilize
temperature (Control
temperature, plus
overtemperature value).
NOTE: The control
temperature is the value the
sterilizer maintains during
the sterilize phase. This
value is 9°C (20°F) above
the cycle sterilize
temperature set point. The
overtemperature value is
added to the control
temperature value to arrive
at the temperature which
causes this cycle alarm.
Alarm Screen
Alarm Detail
Sterilize temperature is above
setpoint by more than
prescribed amount.
Causes And Correction:
1. Steam Pressure More
Than 3.4 bar (50 Psig)
• Check Steam Supply
Piping
2. Valve malfunction
•Repair V02
3. Control out of calibration
• Recalibrate (contact
qualified Service person)
9.2.7 OE/NOE Door
Unsealed
Occurs if steam pressure in
operating end (OE) or non-
operating end (NOE) door
seal drops below 0.4 bar
(5 psig).
Alarm Screen
Alarm Detail
Steam pressure in OE or NOE
door seal below 0.4 bar
(5 psig)
Causes And Correction:
1. Seal pressure switch
malfunction
• Check PS1(PS2)
connections
• Readjust PS1(PS2)
• Repair PS1(PS2)
2. Seal not activated
• Check seal steam
• Check seal exhaust
3. Valve malfunction
• Repair V35 (V36)
• Repair V37 (V38)
Table 9-1. Operator Troubleshooting – In-Cycle Alarms (Continued)
Condition Alarm Screen on Sterilizer Control
Service Information