Service Manual Bosch IDS 2.0 | 49
Bosch Thermotechnology Corp. | 07.2021
Data subject to change
12.3.8 H8 Troubleshooting
LED display output: H8
Description: Pressure transducer (PT) fault
Possible causes:
Pressure transducer wiring not secure
Pressure transducer failed
Table 36
Procedure:
Figure 23
Restart system
Replace control board
Yes
Replace pressure
transducer
No
Yes
Did the pressure
transducer fail?
No
Yes
Secure wiring
Is the wiring
secure?
No
Did the control
board fail?
1) See Section 13.2
2) See Appendix 1