Buchi F-305 - 8 Help with Faults; Display of Error Messages; Faults and Rectifying Them; Indication of Faults on the Display

BÜCHI Labortechnik AG Help with faults | 8
Operation Manual Recirculating Chiller F-305 / F-308 / F-314 33/42
8 Help with faults
8.1 Display of error messages
The Recirculating Chiller shows a fault code on the display if a malfunction has
occurred on the device.
8.2 Faults and rectifying them
Prior to all repair work and fault rectification, e.g. fuse replacement, the recirculating
chiller is to be disconnected from the power supply by unplugging the power cord
from the power outlet.
8.2.1 Indication of faults on the display
Fault code Fault Remedy
E01 Temperature sen-
sor defective
u Switch off the device and allow it to cool down.
u Clean the air intake (see Chapter7.1
"Cleaning the casing", page32).
u Switch the appliance on again.
u Contact Customer Service if the problem
cannot be rectified.
E02 Temperature error
E03 Coolant tank empty
or level too low,
pump malfunction
u Switch off the device and allow it to cool down.
u Top up coolant level (see Chapter5.5 "Filling
and draining the coolant tank", page27).
u Switch the appliance on again.
u Contact Customer Service if the problem
cannot be rectified.
E04 Compressor pres-
sure fault
u Switch off the device and allow compressor to
cool down.
u Switch the appliance on again.
u Contact Customer Service if the problem
cannot be rectified.
E05 Data error u Switch the appliance off and then on again.
u Contact Customer Service if the problem
cannot be rectified.
E06 Electronic circuitry
overheated
u Switch off the device and allow it to cool down.
u Clean the air intake (see Chapter7.1
"Cleaning the casing", page32).
u Switch the appliance on again.
u Contact Customer Service if the problem
cannot be rectified.
8.2.2 Other malfunctions
Fault Cause Remedy
Device chilling
function cuts
out
Overheat cut-
out
has tripped.
Switch off the device and allow it to cool down.
Check whether the installation site meets the
required conditions. In particular, the clearance
around the device must be sufficient to allow the
air to circulate. See also Chapter5.2 "Installation
site", page20.