Questions on the light timer switches of the ZS series

• Why does the ZS no longer switch off the lights?
• Which points must be noted when using energy-saving lamps, fluorescent lamps, Tronic transformers and other ECG devices?
• Which points must be noted in conjunction with external voltage inputs?
• What exactly do the abbreviations ZA, ZE and ZI stand for?
• What is the best way to combine a movement detector with the ZS?
• Why does the ZS not react to the light button or only unreliably?

Questions on the mains-field disconnector NFA

• What do "AUTO" and "HAND" mean?
• How is the NFA set correctly?
• What does the basic-load adapter do?
• What is the difference between GK 5 and GW 6?
• When exactly do I need a basic-load?
• Why does the NFA not switch on again with some consumers?
• Energy-saving lamps, fluorescent lamps, Tronic transformers and ECG devices – which points must be noted?
• Why does the NFA switch on and off permanently (chopping)?
• How can dimmers be connected to the NFA?

Questions on the motor controller UMS 5

• What do the abbreviations M, J, GM, GJ and Z stand for on the UMS 5?
• How are twilight switches, wind monitors, etc. connected to the UMS 5?
• Can the system also be activated with a single button?
• Can the system also be activated with a single button?
• Why does the UMS 5 repeatedly activate the contact K24 automatically?

Questions on the pulse switches of the ISK series

• Why does the ISK no longer switch off the lights?
• Why does the ISK not react to the light button or only unreliably?
• Which points must be noted when using energy-saving lamps, fluorescent lamps, Tronic transformers and other ECG devices?
• Which points must be noted in conjunction with external voltage inputs?
• What exactly do the abbreviations ZA, ZE and ZI stand for?

Questions on the radio switching system FE3 / FD3 / FR3 / FS3

• What to do in case of line disturbances?
• What to do with radio interference?
• Does the installed position have any effect on the range?
• Can the range be increased if necessary?
• Why does the receiver not switch reliably?
• Can all the devices in the radio programme be combined with one another?
• Can I use the receivers to dim the lights?
• Are there any points to be noted when installing components in a protective housing?
• Why does my system only have a range of a few metres?
• How large is the system range?
• What is meant by address and channel?
• Which settings or programming must be made before commissioning the devices?
• What must be noted as a matter of principle when using radio switches?