E7 (Indoor Pcb /Display Board Communication Error) - Bosch CLIMATE 5000 Service Manual
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Also See for CLIMATE 5000:
- Installation manual (28 pages) ,
- Installation, operation and maintenance manual (24 pages) ,
- User manual (16 pages)
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Troubleshooting
5.5.7
E7 (Indoor PCB /Display board communication error)
Description: Indoor PCB does not receive feedback from Display board for 120 seconds.
Possible defects:
• Wiring mistake
• Faulty PCB
• Display board malfunction
Troubleshooting and repair:
Power off, then restart the unit
Check the wirings and connection.
Are all the connections
Replace the indoor main PCB.
Replace the Display board.
50
2 minutes later.
Is it still displaying
the error code?
YES
good?
YES
Is the error
extinguished?
YES
NO
The unit is operating normally.
Correct the connection or replace
NO
CLIMATE 5000 RAC SINGLE SPLIT (R32) – 6720894076 (2019/08)
the Wirings.
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Troubleshooting
