Tuttnauer 1730E, Operation & Maintenance Manual

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Door Unlock Message is displayed and the DOOR CLOSED LED indicator
remains unlit, if the door is improperly closed when the
START button is pressed. If the door accidentally opens
during any stage of the cycle, the same message appears, the
DOOR CLOSED LED indicator will turn off, and the system
reacts as if the STOP key was pressed.
High Pres. Message is displayed, fail indicator lights up, and the program
is aborted if the pressure rises 10 PSI (0.6Bar) above the
required sterilization pressure.
Possible causes:

A damaged solid state relay.

A damaged heating element.
Man. Stop Message will be displayed and the FAIL indicator will
light after the STOP key is pressed for longer than 1 second.
Add Water Message is displayed and the respective red LED indicates
insufficient water in the water RESERVOIR. After water is
added to the reservoir, the START button must be pressed
again in order to start the required sterilization cycle.
Water Inlet During the automatic water fill, the message WATER INLET
is displayed as information to the operator.
Power Dn . If a power failure occurred during the running of a cycle, when
power resumes, a POWER DN message is displayed for
several seconds; if a printer is installed it will print POWER
DN. In addition, the system automatically attempts to
complete the STERILIZATION stage if the following
parameters are met:
a. If the temperature drop is less than 4.5

F (2.5

C),
sterilization resumes automatically.
b. If the temperature drop is more than 4.5

F (2.5

C), the
cycle fails, POWER DN message is displayed and printed
and LOW TEMP message is displayed.
c. If the pressure drop is more than 4 psi (0.27 Bar), the
cycle fails, POWER DN message is displayed and printed
and LOW PRES message is displayed.
If a power failure occurred during the HEAT stage, heating
resumes, provided enough water remains in the chamber. If
not, the cycle is aborted, the message “LOW WATER” is
displayed. If a power failure occurs during the dry and exhaust
stages, the unit will automatically resume operation once the
power is back on.
If a power failure occurs during the GLASSWARE
PROGRAM, the system does not allow fast exhaust (as the
exhaust valve is normally closed) during a power failure or
when power resumes.
CYC Finish When the cycle has been completed successfully the
message CYC FINISH is displayed.