Memmert ICH 256 Climate Chambers (Generation 2003) - Manual (Page 48)

48
Warning Messages and Malfunctions
if the CO
2
supply is defec-
tive
Remedy: Set CO
2
setpoint to
0, check the stop valve and
connection of the gas bottle; if
the gas bottle is empty, replace
it and set the CO
2
setpoint to the
desired value.
if the CO
2
concentra-
tion exceeds the defined
setpoint by at least 1 % for
more than 3 minutes.
Remedy: Open the door for
30 sec. and wait to see if the
controller steadily adjusts to the
setpoint.
If the error occurs again, contact
the customer service.
6.2 System/appliance errors
Warning!
After removing covers, live parts may be exposed. You may
receive an electric shock if you touch these parts. Malfunctions
requiring intervention inside the appliance may only be rectified
by electricians. Please refer to the separate ICH cooled incubator
service manual for this.
Do not try to rectify the error yourself but contact an authorised customer service point for
MEMMERT appliances or contact the MEMMERT customer services department directly (see
page 2).
In case of enquiries, please always specify the model and appliance number from the
nameplate (see page 17 ).
Error Possible cause Remedy
does not work,
although the
cooled incubator
is switched on.
Power supply interrupted Check the power supply and fuse/circuit
breaker.
Appliance fuse or
miniature fuse or
controller defect
Contact the customer service and refer to the
service manual.
Appliance error
Power module defect
Appliance
cannot be
operated
Cooled incubator locked
with user-ID card
Unlock incubator with user-ID card (see page
59 ).
Push-turn control defect Contact the customer service and refer to the
service manual.
No CO
2
display
shown in the
CO
2
module
Switched mode power
supply SP 200 defect
Contact the customer service and refer to the
service manual.