Instruction manual

Page 28 Leica EM CPD030 Operating Manual 09/09
7. Troubleshooting
Problem
Cause Remedy
After switching on mains switch,
no function on unit is active.
Fuse F 1 and/or F 2 is
defective.
Disconnect power cable. Open cover of
fuse compartment (rear panel of the unit –
bottom left) and replace defective fuse.
Make sure correct line voltage is selected!
Fuse values:
for 220 V 4 AT
for 115 V 5 AT
After switching on unit and
pressing key COOLING, the
cooling unit doesn't start up.
Fuse on power board
of slide-in unit CP 010
is defective.
Call service technician.
Cooling unit is
overheated due to a
high room
temperature.
Make sure that room temperature is below
30qC.
Cooling unit is
overheated because
of insufficient supply
of cooling air.
Make sure the minimum wall distance of
150 mm is maintained and the ventilation
slots on the unit are not covered up.
After switching on cooling unit,
the temperature of the specimen
pressure chamber doesn't drop
to pre-selected lower nominal
temperature or possibly even
rises slowly.
Cooling unit is leaking
coolant and does not
cooling effectively
anymore
Contact service technician.
Temperature display remains at
constant value, despite of
COOLING or HEATING
Temperature sensor
may be disconnected
or defective.
Call service technician.
Safety bursting membrane
bursts.
Permissible pressure
of 150 bar has been
exceeded.
Call service technician.