Memmert ICH C (with CO2 control) Climate chambers - Manual (Page 41)

D30393 | Date 10/2014 41
Malfunctions, warning and error messages
Description Cause Action See
Appliance does not heat
up any more
The mechanical
temperature lim-
iter (TB) perma-
nently switched
off heating.
1. Wait until the appliance
cools down.
2. Reset the TB. To do so,
press the red button on
the right of the appliance
rear side until a clicking
sound can be heard:
If the alarm continues: Contact
customer service
page 2
6.1.2 Humidity monitoring
Description Cause Action See
Error display symbol
HUMIDITY
Set 55
.0%rh
%rh
55
.4
Water tank
empty
Fill the water tank with dem-
ineralised/distilled water and
press the confirmation key
page 20
Alarm display ( MaxAl )
HUMIDITY
MaxAl Set 70 .0%rh
%rh
75
.4
Upper humidity
limit exceeded
Open the door for 30 sec. and
wait to see if the appliance
reliably adjusts to the setpoint.
If the error occurs again, con-
tact customer service. page 2
Alarm display ( MinAl )
HUMIDITY
MinAl Set 60
.0%rh
%rh
55
.4
Humidity below
lower limit
Check if the door is closed.
Check the water supply and
the filling level of the water
tank. If required, refill the
water tank.
If the error occurs again, con-
tact customer service.
page 20
page 2