Bosch BOVA-36HN1-M18M User Manual download pdf (Page 23)

Installation Instructions Bosch IDS BOVA | 23

Bosch Thermotechnology Corp. | 12.2016

Data subject to change

15.7 Fault code table

Code Fault Description

E4 Temperature sensor fault(T3, T4, T5, TF)

E5 High/low voltage protection

E6 DC fan motor fault

E7 Compressor discharge sensor(T5) is seated fault

E9 EEPROM fault

Eb System lockup, 2 times (E6) protection in 10 minutes

H0 Communication fault in main control chip

H4 System lockup, 3 times (P6) protection in 60 minutes

H5 System lockup, 5 times (P2) protection in 100 minutes

H8 Pressure transducer(PT) fault

Hb High pressure(PT) protection in Heating

P0 High module radiator temperature (TF)protection

P1 High pressure switch(HPS)protection

P2 Low pressure(PT) Protection in cooling

P3 Compressor over current protection

P4 High compressor discharge temperature(T5) protection

P5 condensor coil temperature(T3) protection in cooling

P6 The IPM module protection

PH Low discharge superheat protection

F1 High pressure switch(HPS) fault

C3 The condensor coil sensor(T3) is seated fault in cooling

L0-L9 The IPM module protection (the same as P6,only for analysis)

AtL Ambient Temperature Limited

System Protection Status Codes

Indication under charge model

L Running indication under T3 limited condition

D Running indication under T5 limited condition

P Running indication under compressor ratio limited condition

F Running indication under Tf limited condition

C Running indication under current limited condition

U Running indication under low voltage limited condition

H Running indication under high pressure(PT) limited condition in heating

A Running indication under return oil model

dF Running indication under defrost model

Table 9

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 43 44

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Bosch BOVA-36HN1-M18M User Manual Page 23