Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
Table 10.2 Displayed errors (Sheet 1 of 10)
is
Code + Description | Possible cause | Solution | Remark | |
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S01 (blocking error) | Sensor is not | Connect the sensor lead to JP3. | See appendix ’A.2 Electrical diagram BFC’. | |
Open circuit from | (correctly) connected. |
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temperature sensor T2 |
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Damaged wiring or | Replace the sensor. | To replace the necessary parts, you must contact your installer. | ||
at bottom of tank. | defective sensor. |
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S02 (blocking error) | Sensor is not | Connect the sensor lead to JP5. | See appendix ’A.2 Electrical diagram BFC’. | |
Open circuit from | (correctly) connected. |
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sensor 1 of |
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temperature sensor T1 |
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at the top of the tank(1). |
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Damaged wiring or | Replace sensor T1. | To replace the necessary parts, you must contact your installer. | ||
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| defective sensor. |
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S03 (blocking error) | Sensor is not | Connect the sensor lead to JP5. | See appendix ’A.2 Electrical diagram BFC’. | |
Open circuit from | (correctly) connected. |
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sensor 2 of |
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Damaged wiring or | Replace sensor T1. | To replace the necessary parts, you must contact your installer. | ||
temperature sensor T1 | ||||
defective sensor. |
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at the top of the tank(1). |
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S04 (blocking error) | Dummy is not | Connect the dummy sensor lead(2) to JP4. | See appendix ’A.2 Electrical diagram BFC’. | |
Open circuit from | (correctly) connected. |
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dummy 1. |
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Defective dummy. | Replace the dummy sensor. | To replace the necessary parts, you must contact your installer. | ||
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S05 (blocking error) | Dummy is not | Connect the dummy sensor lead(3) to JP4. | See appendix ’A.2 Electrical diagram BFC’. | |
Open circuit from | (correctly) connected. |
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dummy 2. |
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Defective dummy. | Replace the dummy sensor. | To replace the necessary parts, you must contact your installer. | ||
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S11 (blocking error) | Short circuit in the | Replace sensor T2. | To replace the necessary parts, you must contact your installer. | |
Short circuit from the | sensor circuit. |
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temp. sensor T2 at the |
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bottom of the tank. |
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Release R.1.3 UK | 73 |
