Memmert IPP 200 - Finding Errors and Error Messages

6
Service IPP 200-500/HPP 108 | 10/2008
Finding Errors and Error Messages3.
Error description Cause of error Rectifying errors Page
General faults
Controller display does
not light up
Fuse 100 mA
(200 mA/115 V) faulty
Check fuse, replace if
necessary
14
Appliance fuse 15 A faulty Check fuse, replace if
necessary
14
Mainboard faulty Replace mainboard 13
Temperature cannot be
adjusted and
appliance can in general
not be operated with the
push/turn control
Appliance "locked" by UserID card Undo lock with UserID card
Push/turn control faulty Replace main switch module
with push/turn control
16
Cooling fan on rear wall
does not turn
- cooling fan faulty
- switched mode power supply faulty
- replace cooling fan
- replace switched mode
power supply
21
15
Cooling fan in interior
does not turn
- cooling fan faulty
- switched mode power supply faulty
- replace cooling fan
- replace switched mode
power supply
19
15
Malfunctions in the heating and cooling function
Red LED on the
mainboard does not light
up
- switched mode power supply faulty
- contact element MOSFET faulty
replace switched mode
power supply
15
When changing from
heating to cooling,
the red LED on the
mainboard does not go
out
- switched mode power supply faulty
- contact element MOSFET faulty
replace switched mode
power supply
15
When switching from
heating to cooling, the
relay does not switch over
Relay faulty Replace mainboard 13
Green LED on the
mainboard does not light
up
- switched mode power supply faulty
- contact element MOSFET faulty
replace switched mode
power supply
15
Error messages in monitoring display
Caution – icon
is flashing
Monitoring controller has switched
off heater, since temperature
difference between operating and
monitoring controller is too small
Increase temperature
difference between
monitoring temperature and
working temperature.
Replace Pt100 temperature
sensor of monitoring
controller if necessary
18