English
Symbol meaning
OFF
The device is switched off.
°C
The water temperature is measured in degrees Celsius.
The water temperature is measured in degrees Fahrenheit.
°F
Flashes:
Cooling mode is being prepared.
Illuminated: Cooling is switched on. Climate control unit is cooling.
Illuminated: Heating is switched on. Climate control unit heats.
Clearing faults
DANGER! Electric shock!
▶ Before clearing faults, remove the mains plug and the switching power supply unit.
Fault
The display does not switch on No power supply
Display always says OFF
Insufficient water cooling or
water heating, target tempera-
ture is not reached
For other faults, please contact EHEIM Service.
Possible cause
WiFi controller not operational
Insufficient water circuit
Cooling or heating output too low for the
amount of water
Aquarium and/or piping insufficiently
insulated or the hose lines are too long
Increased flow resistance due to addi-
tional accessories in the hose system
(e.g. CO
reactors, UVC clarifiers or
2
other units)
No warm exhaust air from the warm
exhaust air duct
Decommissioning and disposal
Storing and overwintering
1. Take the appliance out of the water circuit of the aquarium.
2. Clean the appliance
3. Store the appliance in a frost-proof place.
Disposal
When disposing of the appliance, pay attention to the relevant
statutory regulations.
Information on the disposal of electrical and electronic appliances
in the European Union: Within the European Union, disposal of
electrically operated appliances is governed by national regula-
tions that are based on the EU Directive 2012/19/EU on waste
electrical and electronic equipment (WEEE). The appliance may
no longer be disposed of with the municipal or household waste.
The appliance will be accepted free of charge at municipal collec-
tion points or recycling centres. The product packaging is made
up of recyclable materials. Dispose of them in an environmentally
responsible manner and take them for recycling.
Remedy
▶ Make sure that the mains plug has been plugged into the socket all
the way
▶ Make sure that the switching power supply unit has been plugged
into the socket all the way
▶ Check whether the cable of the switching power supply unit is con-
nected with the WiFi controller and has been plugged in all the way
▶ Check whether the aquarium filter or the pump are working
▶ Check the hose installation for bends or constrictions
▶ Clean the aquarium filter and/or pump
▶ Clean the piping
▶ Check the performance data (see technical data)
▶ Insulate the piping or the walls of the aquarium
▶ Keep the hose lines as short as possible
▶ Reduce the flow resistance
▶ Operate the climate control unit with a separate water circuit
▶ Cooling compressor does not work properly Contact the EHEIM
customer service: www.eheim.com
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