Fault Code Table - Bosch BOVA Series Installation Instructions Manual

2 6 | Bosch IDS 2.0 BOVA

15.8 Fault Code Table

Code
C3
E4
E5
E6
E7
E9
H0
H5*
H8
P0
P1
P2
P3
P4
P5
P8
PH
F1
L0-L9
AtL
System Protection Status Codes**
L
D
P
F
C
U
A
dF
Table 13
* Fault requires hard restart
** I f the fi rst digit shown on the control board LED is one of the following protection
codes (followed by two numerical digits which show the current compressor
frequency in Hz), the unit will continue to run but in a limited condition. The only
exception is when the system is in defrost mode, which only displays "dF" (without
any numerical digits following).
Data subject to change
Fault Description (Sensor)
The coil sensor is seated fault in cooling (T3)
Temperature sensor fault (T3, T4, T5, Th, T3L, TF)
High/low voltage protection
DC fan motor fault
Compressor discharge sensor is seated fault (T5)
EEPROM fault
Communication fault in main control chip
5 times (P2) protection in 100 minutes, system lockout
Pressure transducer fault (PT)
High module radiator temperature protection (TF)
High pressure switch protection (HPS)
Low pressure protection in cooling or heating (PT)
Compressor over current protection
High compressor discharge temperature protection (T5)
Condensor coil temperature protection in cooling (T3)
DC fan motor hurricane/typhoon protection
Low discharge superheat protection
High pressure switch protection (HPS)
The IPM module protection
Ambient Temperature Limited
Forced operation mode
Running indication under T3 limited condition
Running indication under T5 limited condition
Running indication under compressor ratio limited condition
Running indication under TF limited condition
Running indication under current limited condition
Running indication under low voltage limited condition
Running indication under return oil mode
Running indication under defrost mode
Installation Instructions
02.2019 | Bosch Thermotechnology Corp.