Martin Christ RVC 2-25 CDplus - Manual (Page 51)

RVC 2-25 CD&
7 Malfunctions and error correction
Version 11/2008, Rev. 2.2 of 04/12/2013 • sb
51
Translation of the original operating manual
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7 Malfunctions and error correction
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7.1 General malfunctions
Malfunctions are displayed in the menu "Process & equipment info" (see
chapter 6.5.3.4 - "Process and equipment information"). A sound signal
sounds when an error message is generated.
• Eliminate the source of the problem (see the following chapters).
• Acknowledge the error messages by pressing the right-hand function
key.
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7.1.1 Error messages
Error Possible reason Correction
No vacuum sensor signal • The control unit receives an
invalid value from the vacuum
sensor.
• Check the connecting cables
and plug-in connections of the
vacuum sensor. If necessary,
replace the vacuum sensor.
No rotor chamber sensor signal • The temperature sensor of the
rotor chamber is disconnected
or defective
• Contact the after-sales service
(see chapter 7.2 - "Service
contact")
No rotor sensor signal • The rotor temperature sensor is
disconnected or defective
• Contact the after-sales service
(see chapter 7.2 - "Service
contact")
No ice condenser sensor signal • The data communication link to
the cooling trap is interrupted,
or the ice condenser
temperature sensor is
disconnected or defective
• Check the data link between the
rotational vacuum concentrator
and the cooling trap
Lid cannot be opened • The rotor chamber is not
aerated completely
• Aerate the rotor chamber
completely
Lid contacts error • The system has detected an
open lid during evaporation.
The rotor will be stopped
immediately. The lid must be
closed while the rotor is moving.
• Check the lid contacts. If
necessary, contact the after-
sales service (see chapter 7.2 -
"Service contact")
Rotor overtemperature • The maximum permissible rotor
temperature of 85°C has been
exceeded
• If the system does not cool
down, disconnect it immediately
from the power supply. Contact
the after-sales service (see
chapter 7.2 - "Service contact")
Chamber overtemperature • The maximum permissible
chamber temperature has been
exceeded
• If the system does not cool
down, disconnect it immediately
from the power supply. Contact
the after-sales service (see
chapter 7.2 - "Service contact")