9 RCU Maintenance
The Remote Control Unit has been designed for maintenance free operation except for the battery
which is discussed in section 9.4.
Don’t attempt to disassemble the Remote Control Unit.
Disassembly will void the warranty.
Except for the battery and electronics compartment,
serviceable parts are not inside the Remote Control Unit.
If the RCU is suspected of having a fault please contact Siemens Service Centre. When contacting
the Service Centre you will need to provide the following information:
Manufacturing serial number. This is located on the label on the side of the battery compartment.
Software version installed in the RCU. This is displayed in RCU Connect maintenance tab when
connected to the RCU.
Details of any customer specific equipment installed including radios, modems or RCU
accessories fitted.
In case of a genuine electronic failure the entire electronics compartment will need to be returned to
Siemens for analysis, repair or replacement. The process to replace an electronics compartment is
described in section 9.5.
To ensure that the RCU operates reliably, spare parts must be replaced only by trained and certified
personnel. To order spare parts from Siemens an MLFB number is required. For more information
see the MLFB-list or contact the Siemens Service Centre.
9.1 Safety Instructions for Maintenance
Electrical hazard – Danger to life!
This work may only be performed by qualified personnel who
have received appropriate instruction.
Do not touch live parts.
9.2 Site Check
Coming to site allows a quick check of the operation of the RCU. After opening the door the panel
LEDs will come on. Normal operation will display:
Power Source ON (unless it is dark and the power source is solar)
Battery OK
Switchgear OK
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