Memmert ICH 256 Climate Chambers (Generation 2003) - Manual (Page 47)

47
Warning Messages and Malfunctions
6. Warning Messages and Malfunctions
6.1 Warning messages
The warning messages also set off an intermittent acoustic signal:
This can be temporarily switched off by pressing the SET key.
Error in the temperature control system (see also chapter " Error in the temperature control system (see also chapter " Temperature monitoring Temperature monitoring " Temperature monitoring Temperature monitoring
on page on page 53 ): ): 53 53
Tb active - if the Tb active - Tb active -
temperature limiter is
triggered
Remedy: See page 54
hi-alarm - if hi-alarm - hi-alarm -
overtemperature
protection is triggered
Remedy: Check the setting of the
MAX temperature monitor.
if
undertemperature
protection is triggered
Remedy: Check the setting of the
MIN temperature monitor.
asf-alarm - if the
automatic monitoring
function is triggered
Remedy: Check the setting of the
ASF temperature monitor.
Error in the dehumidification system: Error in the dehumidification system:
if the water supply is
defective
Remedy: Check that the water
supply is properly connected. Fill
water supply tank with distilled
water if it is empty.
If humidity exceeds the
setpoint for longer than
30 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.
Error in the CO
22
system (only for models with CO system (only for models with CO
22
supply) supply)