Fault Code Table - Bosch BOVA Series Installation Instructions Manual

Installation Instructions
15.7

Fault code table

Code
E4
E5
E6
E7
E9
Eb
H0
H4
H5
H8
Hb
P0
P1
P2
P3
P4
P5
P6
PH
F1
C3
L0-L9
AtL
System Protection Status Codes
L
D
P
F
C
U
H
A
dF
Table 9
Bosch Thermotechnology Corp. | 12.2016
Fault Description
Temperature sensor fault(T3, T4, T5, TF)
High/low voltage protection
DC fan motor fault
Compressor discharge sensor(T5) is seated fault
EEPROM fault
System lockup, 2 times (E6) protection in 10 minutes
Communication fault in main control chip
System lockup, 3 times (P6) protection in 60 minutes
System lockup, 5 times (P2) protection in 100 minutes
Pressure transducer(PT) fault
High pressure(PT) protection in Heating
High module radiator temperature (TF)protection
High pressure switch(HPS)protection
Low pressure(PT) Protection in cooling
Compressor over current protection
High compressor discharge temperature(T5) protection
condensor coil temperature(T3) protection in cooling
The IPM module protection
Low discharge superheat protection
High pressure switch(HPS) fault
The condensor coil sensor(T3) is seated fault in cooling
The IPM module protection (the same as P6,only for analysis)
Ambient Temperature Limited
Indication under charge model
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 high pressure(PT) limited condition in heating
Running indication under return oil model
Running indication under defrost model
Bosch IDS BOVA | 23
Data subject to change