Error Codes; Error Codes - Wall Mounted Indoor Unit - Bosch Climate 5000 Series Service Manual

1 8 | Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Outdoor Unit

6 Error Codes

Safety
WARNING: ELECTRICAL HAZARD
Electricity power is still kept in capacitors even if the power
supply is shut off. Do not forget to discharge the electricity
power in capacitor before servicing the system.
Electrolytic Capacitors
(HIGH VOLTAGE! CAUTION!)
Figure 11

6.1 Error Codes - Wall Mounted Indoor Unit

Number Cause
1 Indoor unit EEPROM error
2 Communication error between indoor unit and outdoor units
3 Indoor fan speed error
4 Indoor Return air temperature sensor error
5 Indoor coil temperature sensor error
6 Low refrigerant
7 Outdoor current overload sensed
8 Outdoor ambient temperature sensor error
9 Outdoor coil temperature sensor error
10 Compressor discharge temperature sensor error
11 Outdoor unit EEPROM error
12 Outdoor unit fan speed error
13 Indoor coil outlet temperature sensor error
14 Inverter module IPM error
15 High or Low voltage protection
16 Outdoor unit low temperature lockout
17 Compressor drive error
18 Mode con ict
Table 12
If you see an error code not displayed in Table 12, contact the
manufacturer as the error displayed is for development purpose only.
Data subject to change
For other models, please connect discharge resistance (approx.100 40W)
between +, - terminals of the electrolytic capacitor on the opposite side of the
outdoor PCB. A screwdriver will also work as a resistive element.
For reference the most common error codes are E1, P0, and P3.
RUN Indicator Flashes
1
2
4
5
6
7
1
2
3
4
5
6
7
1
2
4
5
6
Service Manual
TIMER Indicator Error Code
OFF E0
OFF E1
OFF E3
OFF E4
OFF E5
OFF EC
LIT F0
LIT F1
LIT F2
LIT F3
LIT F4
LIT F5
LIT F6
FLASH P0
FLASH P1
FLASH P3
FLASH P4
FLASH P5
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