Memmert HPP, Peltier-cooled incubators IPP plus Constant climate chambers - Manual (Page 40)

40 D24030 | Date 10/2014
Malfunctions, warning and error messages
6.1.2 Humidity monitoring (for constant climate chambers HPP only)
Description Cause Action See
Error symbol
HUMIDITY
Set 55 .0%rh
%rh
55
.4
Water tank
empty
Fill the water tank with deminera-
lised/distilled water and press the
confirmation key
page
22
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 reliab-
ly adjusts to the setpoint.
If the error occurs again, contact
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, contact
customer service.
page
22
page 2
6.2 Malfunctions, operating problems and appliance errors
Error description Cause of error Rectifying errors See
Displays are dark External power supply
was interrupted
Check the power supply page
22
Miniature fuse, appliance
fuse or power module
faulty
Contact customer
service
page 2
Displays cannot be
activated
Appliance locked by user ID Unlock with user ID page
58
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