Martin Christ Epsilon 2-6D LSCplus - Manual (Page 88)

Freeze-dryer EPSILON 2-6 LSCplus
7 Malfunctions and error correction
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Version 10/2012, Rev. 1.6 of 16/12/2014 • sb
Translation of the original operating manual
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7 Malfunctions and error correction
Malfunctions are displayed in the dialog box "Process & equipment
messages" (see chapter 7.2 - "Process and error messages"). An acoustic
signal sounds when an error message is generated.
• Eliminate the source of the problem (see the following chapter).
• Acknowledge the error message.
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7.1 General malfunctions
Type of error Possible reason Correction
No indication on the display • No power in the mains supply
(see chapter 7.1.1 - "Power
failure").
• Power cord is not plugged in.
• Fuses have tripped.
• The mains power switch and/or
the main switch is set to off.
• Check the mains power supply
fuse.
• Plug in the power cord correctly.
• Check the on-site fuses.
• Switch the mains power switch
and the main switch on.
The touchpanel does not react at all
or it does not react correctly • The sensitivity of the touchpanel
is misadjusted.
• Contact the service department
(see chapter 7.3 - "Service
contact")
The password input fails • The password is not correct. • Inform the administrator.
• If you have lost the administrator
password: contact the service
department (see chapter 7.3 -
"Service contact")
Insufficient vacuum • Incorrect connection of the
small flange connection(s).
• Loosen the connection. Place
the centring ring with the inner
sealing ring in a centred manner
between the flange connections
and connect it with the clamping
ring. Ensure that the centring
ring neither slips out of place nor
gets jammed.
• Dirty or damaged lid or door
seal.
• Clean the lid or door seal and
replace it if necessary.
• The ground-in stopper of the
attached drying chamber is not
installed correctly.
• Grease the ground-in stopper
evenly and over the entire
sealing surface with vacuum
grease.
Leakage in the media drain valve • The media drain valve is soiled
with drying residues or wool
particles from cleaning cloths.
• The O-rings are worn.
• Clean the media drain valve (see
chapter 8.1.1.3 - "Aeration valve,
media drain valve")and replace it
if necessary.
• Replace the O-rings.
Leakage in a rubber valve • The valve is soiled. • Check the valves individually
(see chapter 7.1.2.4 - "Rubber
valves")