The switch can only operated be via the faceplate button. There is no battery or weak battery in the remote controller.
The channel selector setting is wrong.
- Put in the batteries provided or replace with new batteries.
- Put the jumper into the appropriate channel selector location.
The switch and remote controller is working previously but is not working now.
- Blown fuse.
- Blown bulb/lamp.
- Lighting circuit exceeds 300 W per gang specifications.
- For dual gang only,the bulb for L1 has blown.
- The JDO electronic switch is faulty..
- Replace fuse.
- Replace bulb/lamp.
- Reduce the lighting circuit/no of bulbs/luminaire types to comply with the 300 W specifications.
- Replace the blown bulb.
- Send it back to the authorized agent for repair.Do not attempt the repair yourself as the JDO switch has no serviceable parts.
- The channel selector jumper(s) has not be selected to operate on other channels.
- The switches is located in the same big hall but at different locations.
- Reselect the appropriate channel in the channel selector.
- Select another channel for one of the switches.
The fluorescent lamp flickers and may have some humming sound.
- The ballast used is of the electronic ballast type,which is incompatible with JDO switch.
- Replace the electronic ballast with the normal magnetic ballast.
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