9
Troubleshooting
Any malfunctions that cannot be removed by means of the measures described in this
chapter may only be repaired by the manufacturer.
Problem
LED operation mains volt-
age not lit (green LED)
LED 5 V operation not lit
(green LED)
Other malfunctions
9.1
Replacing the fuse
Verify that the mains voltage is interrupted and cannot be switched on.
1
3
Fig. 9-1: Replacing the fuse (example: at base module)
Troubleshooting
Possible reason
No mains voltage
Fuse defective
No mains voltage
Fuse defective
Power supply unit defective Contact the Daikin service
-
2
4
RoCon UFH
Repair
Check the power supply
Check the fuse
Check the power supply
Check the fuse
hotline
Contact the Daikin service
hotline
1. Open the cover using a screwdriver.
2. Remove the fuse holder.
3. Replace the defective fuse with a fuse
of the same type.
4. Insert the fuse holder into the fuse
compartment.
5. Close the cover.
EN
60