18
Error codes
Any malfunctions during operation will be identified by an error message on the display�
Proceed as follows in such cases:
-
Switch off device using the main switch at the back of the device
-
Carry out corrective measures
-
Restart device
Error code Effect
Cause
Solution
Err 01
Pump off
Heating/refrigerating off
No external sensor
- Check this sensor
Err 02
Pump off
Heating/refrigerating off
Motor over current (rate current) - Reduce pump motor speed
- Use fluid with lower viscosity
- Check if the pump impeller is blocked
Err 03
Pump off
Heating/refrigerating off
Motor over current (Max current) - Reduce pump motor speed
- Use fluid with lower viscosity
- Check if the pump impeller is blocked
Err 04
Pump off
Heating/refrigerating off
Motor hall signal missing
- Reduce pump motor speed
- Use fluid with lower viscosity
- Check if the pump impeller is blocked
Err 05
Pump off
Heating/refrigerating off
Too high liquid level
- Check the liquid level and buoyage
Err 06
Pump off
Heating/refrigerating off
Too low liquid level
- Check the liquid level and buoyage
Err 07
Pump off
Heating/refrigerating off
Too high voltage
- Check the mains power
Err 08
Pump off
Heating/refrigerating off
Too low voltage
- Check the mains power
Err 09
Pump off
Heating/refrigerating off
Device internal temperature is
too high
- Check the ambient temperature and let the
device cool down
Err 10
Pump off
Heating/refrigerating off
PC communication failure
- Check communication cable
- Check the fan and clean the grids at the rear side
Err 11
Pump off
Heating/refrigerating off
Temperature difference
between control sensor and
safety sensor is too much
- Check safety temperature circuit and bath
fluid
Err 12
Pump off
Heating/refrigerating off
Safety temperature alarm
- Check the bath temperature measurement
Err 13
Pump off
Heating/refrigerating off
Heater switched off by safety
circuit
- Check safety temperature set value, fluid
level
Err 14
Pump off
Heating/refrigerating off
Fan error
- Restart the device
Err 15
Pump off
Heating/refrigerating off
Safety shutdown of the
compressor
- Restart the device
Err 16
Pump off
Heating/refrigerating off
Errors at the compressor
(suction side)
- Restart the device
Err 17
Pump off
Heating/refrigerating off
Errors at the compressor
(pressure side)
- Restart the device
Err 20
Pump off
Heating/refrigerating off
Fan cooling system error
- Restart the device
Err 21
Pump off
Heating/refrigerating off
Internal error
- Restart the device
If the actions described fails to resolve the fault or another error code is displayed then take one of the following steps:
- Contact the service department
- Send the device for repair, including a short description of the fault�
