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Maintenance and Care
8
Maintenance and Care
8.1
Maintenance
8.1.1
Replace Batteries
8.2
Care
8.2.1
Thermostat / Range Extender — Display
8.3
Replacing Components
8.3.1
Replacing the Powerhead
8.3.2 Replacing the Circuit Hub
96
The RABS components are maintenance-free.
The system indicates any malfunctions and faults in the hardware and
software in the respective devices and in the operating software.
Faults and malfunctions should be remedied as soon as possible.
Ä 7 "Errors / Fault Indications" on page 93.
Damaged parts must be replaced. Do not attempt to repair
them.
Ä4.3.2 "Replace Batteries" on page 47.
Ä7.1 "Control Unit" on page 93.
Use a moist cloth to remove fingerprints and other light soiling — never
use chemical or abrasive cleaning agents.
The action steps describe how the replacement process
must be undertaken. For more detailed information on
mounting and commissioning a component, refer to the
respective sections in this instruction manual.
Pull the mains plug of the control unit (switch mains voltage off).
X
X
Pull off the circuit hub of the powerhead you wish to replace.
X
Unplug the powerhead and replace it.
Screw on the new powerhead and plug it in the circuit hub.
X
X
Check all cable connections at the circuit hub for a tight fit.
X
Push the circuit hub back on the return sensor port.
NOTE! Make sure not to jam or damage the cables.
X
Reconnect the mains plug to the control unit.
X
Check the new powerhead for proper function.
X
Pull the mains plug of the control unit (switch mains voltage off).
X
Pull off the defective circuit hub and disconnect all three cables.
X
Plug all three cables in the new circuit hub.
X
Push the circuit hub back on the return sensor port.
X
Reconnect the mains plug to the control unit.
INFO! If the fault indication is still present, check the other
circuit hubs; if necessary, do a factory reset at the control unit.
IM-HC 599871 0321 RABS
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