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7
Troubleshooting
7.1
Error codes diagnostics
Only remove the error code after the problem solved!
▶ Read the Bosch Water Heater Installation and Operating manual for more
information on error codes.
To remove error codes from the display,
▶ Hold the On/Off button more than 3 sec. (long press).
7.2
Remote control doesn't turn on
if the display is blank;
1. Check if cable wiring is correctly connected, on the water heater and remote
control.
2. Check if water heater is turn on.
7.3
Error symbol
Fig. 23
[1] Error symbol
Bosch Remote Control – 6 720 813 643 (2019/03)
Troubleshooting
45
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