Rev. 1
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36
A 104
LCD INDICATION Alarm description Effect/Signaling
Possible cause / Check
Proposed solution
PT4 BROKEN
Fault in the PT4 The temperature detected by
the PT44 is higher than
250°C
PT4 broken
Replace the PT4 - see card Gr1-11
PT4 uncalibrated.
Perform the calibration – see Attachment N
Check the temperature value on the display.
If = the room temperature:
- turn off and on the sterilizer more times;
- Replace PT4 – see card Gr1-11.
If differs for many °C:
- turn off and on the sterilizer more times;
- Replace PT4 – see card Gr1-11;
- Reset and calibrate the CPU board – see
Attachment N.
Check the calibration.
Perform the PT4 calibration– see Attachment M.
Complete sterilizer calibration – see Attachment N
Replace the CPU board – see card Gr1-1
Reset or failure on the data memory.
Reset and calibrate CPU board – see Attachment N
Replace the CPU board – see card Gr1-1