Nibe AG-WL10 series - 8 Disturbances in Comfort; Troubleshooting

In most cases the heat pump detects a malfunction and displays this as an alarm via the indoor unit's LED lamps.
Troubleshooting
Key to symbols
The LED does not come on
The LED lights continuously
The LED flashes
If there is an active error code, the unit fan stops and the air deflector closes. The installation restarts automatically
when the fault is rectified.
ActionPossible causeLED lampsError
code
STANDBYTIMEROPERATION
■■
Assign the unit an address. See section
"Addressing the indoor unit" on page 18.
The unit has not been addressed for the
multisplit system.
E0
■■
Change to the operating mode that is active
in the multisplit system.
The operating mode selected does not cor-
respond with that active in the multisplit
system (heating mode is selected when the
rest of the system is in cooling mode or vice
versa).
See section "Disturbances in comfort" in the
installer manual for the outdoor unit.
Problem with the outdoor unit.E1
Communication problems between the indoor
and outdoor units.
E3
■
Check that the connection between C1 and
C2 on the units' terminal blocks is correct.
■
Check that the communication cable is
screened.
■
Check that all ground cables are correctly
connected.
■
Check the DIP switch for addressing is in the
correct position. See section "Addressing
the indoor unit" on page 18.
■
Check the communication fuse on the in-
door and outdoor unit.
■
Check that the outdoor unit is activated and
functioning correctly.
■
Check that all circuit boards are active.
■
Check that the power cable is correctly
connected to the terminal block.
■
Check that the circuit board does not have
burn marks.
■
Check that the fan motor functions and that
it does not cause a short circuit in the indoor
unit circuit board.
21Chapter 8 | Disturbances in comfortAG-WL10
8 Disturbances in comfort