Bosch IDS 2.0 - Indoor Board Fuse

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Bosch IDS 2.0 Service Manual
07.2021 | Bosch Thermotechnology Corp.
Data subject to change
13.11 Indoor Board Fuse
Figure 48
Fuse#1
Location
Power off unit
No
Is the thermostat
wiring correct
according to the
wiring diagram?
Correct thermostat wiring
No
Replace fuse#1
Restart the system
Did fuse#1 blow on
the indoor board?
No service required
No
Yes
Power off unit
Yes
Check if the
resistance between
CN39 & Ground
>1M
Correct thermostat wiring
No
Replace indoor
control board
Restart the system
Did fuse#2 blow on
the indoor board?
No service required
No
Yes
Fuse#1 Type 32V/3A
Fuse#2 Type 230V/ 3.15A
Function Protect control board
IDS 2.0 Indoor Board
Fuse#2
Location