Water-Level Alarm Malfunction (Ee) - Bosch Climate 5000 Series Service Manual

5 0 | Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Outdoor Unit

8.7 Water-level Alarm Malfunction (EE)

Error Code
Malfunction decision conditions
Supposed causes
Table 30
Troubleshooting:
Power off, then restart the unit 3 minutes
Power off f f , then restart the unit 3 minutes
later. Is it still displaying the error code?
later. Is it still displaying the error code?
Replace the
If malfunction is still not
solved
solved
Replace the indoor main PCB
Replace the indoor main PCB
Figure 45
Data subject to change
EE
If the sampling voltage is not 5V, the LED will display the failure code.
Wiring mistake
Faulty water-level switch
Faulty condensate pump
Indoor PCB faulty
Yes
If the water-level switch
If the water-level switch
is inserted well?
is inserted well?
Yes
If the water-level switch
If the water-level switch
is broken?
is broken?
No
condensate pump,
Yes
No Insert the water-level switch well
Insert the water-level switch well
Yes Replace the water-level switch
Replace the water-level switch
Service Manual
04.2020 | Bosch Thermotechnology Corp.