Memmert ICH C (with CO2 control) Climate chambers - Manual (Page 42)

42 D30393 | Date 10/2014
Malfunctions, warning and error messages
6.1.3 CO
2
monitoring
Description Cause Action See
Alarm display upper CO
2
alarm limit exceeded
CO2
Set 10
.0%
%
13
.0
Open the door for 30 sec. and
wait to see if the appliance then
steadily adjusts to the setpoint.
If the error occurs again, contact
customer service.
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Alarm display value
below lower CO
2
alarm
limit
CO2
Set 15 .0%
%
12
.0
Check if the door is closed.
Check the correct connection,
valve and level of the gas bottle.
If necessary, connect a new gas
bottle.
If the error occurs again, contact
customer service.
page
22
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6.2 Malfunctions, operating problems and appliance errors
Description Cause Action See
Displays are dark External power supply
was interrupted
Check the
power supply
page 20
Miniature fuse, appliance
fuse or power module
faulty
Contact customer
service
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Displays cannot be
activated
Appliance locked by USER
ID
Unlock with USER ID page 61
The appliance is in pro-
gramme, timer or remote
control mode (mode "Write"
or "Write + Alarm")
Wait until the end of
the programme or
timer mode or switch
off the remote control
Displays suddenly look
different
Appliance is in "wrong"
mode
Change to operating
or menu mode by
pressing the MENU
key
Display T:E-3 in the
temperature display
TEMP
T:E-3 Set 37.0 °C
37
.4 °C
Temperature operating sen-
sor defective. The monitor-
ing sensor takes over the
measurement function.
►
The appliance can
be temporarily
operated
►
Contact customer
service as soon as
possible
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