41
03/2021
Malfunctions, warning and error messages
6.1.2 Humidity monitoring (for constant climate chambers HPPeco only)
Error description
Cause of error
Troubleshooting
Error display symbol
HUMIDITY
Set 55
.0%rh
%rh
55
.4
Water tank empty
■
Fill the water tank with water and press
the con
fi
rmation key
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, contact cus-
tomer service.
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
fi
lling
level of the water tank. If required, re
fi
ll
water
■
If the error occurs again, contact cus-
tomer service.
6.1.3 Malfunctions, operating problems and appliance errors
Error description
Cause of error
Troubleshooting
Displays are dark
External power supply
was interrupted
■
Check the power supply
Miniature fuse, appliance fuse or power
module faulty
■
Contact customer service
Displays cannot be activated
Appliance locked by USER ID
■
Unlock with USER ID
The appliance is in program, timer or
remote control mode (mode "Write" or
"Write + Alarm")
■
Wait until the end of the program or tim-
er 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
Error message T:E-3 in the temperature
display
TEMP
T:E-3
Set 37.0
°C
37
.4
°C
Temperature operating sensor is defec-
tive. The monitoring sensor takes over
the measurement function.
■
The appliance can temporarily be kept
in service
■
Contact customer service as soon as
possible