Page 22We take care of it.9.3 Indicator lamps – Control cabinetThe indicator lamps red and green indicate the status of the system:0 Red: Error state; system is in automatic BYPASS.0 Green: Operating state; system is in faultless operation. If the indicator lamp is red, follow the instructions in the service manual. Note down the error code (See chapter 9.12.5). If the error cannot be resolved, A. Eberle support team must be contacted.9.4 SwitchesThe switch positions lead to the following states:0 System switch:0Figure 9-3: System switch (system on)– Switch position right: System on– Switch position top: System off0 Service switch:Figure 9-4: service switch– Switch position on: Service switch active– Switch position off: Service switch inactive Service switch in position on indicator lamp changes from green to red. When the switch is in the on position, the service switch status lamp and the sta-tus lamp on the CPU board (A7) changes to red. Automatic BYPASS active, regulator is not in operation.The service switch is only used for the firmware update process.