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Troubleshooting
Automatic mode (DAA) cannot be
selected
Control box not connected or defective
Ventilation valve defective
Vacuum valve not connected or defective
Vacuum pump not connected or defective
Process discontinuation by chiller moni-
toring (error message)
All system messages (error messages, warnings, information) are shown
in plain text on the display.
Follow the instructions on the display.
In case of recurring errors, please contact the responsible sales depart-
ment or our technical service. Contact address see „Warranty statement"
on page 119.
AUTOaccurate sensor not connected, connect
or check the connection, switch off and on the
device if necessary.
AUTOaccurate sensor defective, visual inspection
for defect, contact technical service, replace
sensor if necessary.
Temperature outside the measuring range, heat
the sensor or let it cool down.
Check connection between control box and evap-
orator, contact technical service.
Short circuit in the ventilation valve, contact
technical service.
Vacuum valve not connected or connection
between control box and vacuum valve inter-
rupted, connect vacuum valve, check connection
between control box and vacuum valve, contact
technical service.
Short circuit in the vacuum valve, contact tech-
nical service.
Vacuum pump not connected or connection
between Control Box and vacuum pump inter-
rupted, connect vacuum pump, check connection
between Control Box and vacuum pump.
Chiller failure or repeated fault within 30 s, check
connection line to chiller.
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