Error Codes - 4-Way Cassette Indoor Unit - Bosch Climate 5000 Series Service Manual

Service Manual

6.2 Error Codes - 4-Way Cassette Indoor Unit

Number Cause
1 Indoor EEPROM (Electrically Erasable Programmable Read-Only Memory) error
2 Indoor and outdoor unit communication malfunction
3 Indoor fan speed malfunction
4 Indoor room temperature sensor error
5 Evaporator coil temperature sensor error
6 Refrigerant leak detection system malfunction
7 Water level alarm malfunction
8 Dual indoor unit (twin model only) communication malfunction
9 Other twin model malfunction
10 Overload protection
11 Outdoor temperature sensor error
12 Outdoor condenser pipe sensor error
13 Discharge air temperature sensor error
14 Outdoor EEPROM (Electrically Erasable Programmable Read-Only Memory) error
15 Outdoor fan speed (DC fan motor only) malfunction
16 Auto-lifting panel communication error
17 Auto-lifting panel malfunction
18 Auto-lifting panel is open
19 Inverter module IPM protection
20 High/Low voltage protection
21 Compressor top overheating protection
22 Outdoor low temperature protection
23 Compressor drive error
24 Mode con ict
25 Compressor low-pressure protection
26 Outdoor IGBT sensor error
Table 13
9k~18k models do not have display to show error codes and Operation
and Timer Indicator will turn on / off and or ash according to above
table to show system malfunction.
Bosch Thermotechnology Corp. | 04.2020
Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Outdoor Unit | 19
Operation indicator
ashes
1
2
4
5
6
7
8
9
10
1
2
3
4
5
6
8
9
10
1
2
3
4
5
6
7
8
Timer indicator Error Code
Off E0
Off E 1
Off E3
Off E4
Off E5
Off EC
Off EE
Off E8
Off E9
On F0
On F 1
On F2
On F3
On F4
On F5
On F7
On F8
On F9
Flash P0
Flash P 1
Flash P2
Flash P3
Flash P4
Flash P5
Flash P6
Flash P7
Data subject to change