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Code + Description | Cause | Solution | Remark |
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C02 (lock out error) | Incorrect reference | 1. Reset electronic controller. | To replace the necessary parts, you must contact your installation |
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| voltage from the AD | 2. Check that the frequency of the power supply is | engineer |
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| converter. |
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Error message from the | compliant (3.4.2 "General and electrical specifications"). If this |
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| is not the case, contact your installation engineer |
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appliance controller. |
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| 3. If the frequency is correct but the error persists, replace the |
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Internal error message | • | EEPROM read |
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electronic controller. |
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from the appliance |
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controller. | • | 50 Hz error |
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| • | Internal |
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| communication |
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| error |
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Internal error message | • | Gas valve relay |
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from the appliance |
| error |
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controller. | • | Safety relay error |
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| • | Ignition relay error |
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| • | RAM error |
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| • | EEPROM error |
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| • | EEPROM contents |
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| do not match the |
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| software version |
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| • | Processor software |
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| error |
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C03 (blocking error) | Too many resets in too | Wait for the error to disappear (maximum 1 hour). If the error does | To replace the necessary parts, you must contact your installation |
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| short a period. | not disappear, replace the appliance controller. | engineer |
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Reset error |
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C04 (blocking error) | Incorrect appliance | 1. Check whether the correct appliance is selected (12.5 "Display | If the error cannot be resolved or is persistent, contact your |
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| selection / Incorrect | the selected appliance"). | installation engineer |
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Appliance selection | selection resistor | 2. If the correct appliance is selected, fit the correct selection | To replace the necessary parts, you must contact your installation |
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error |
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| engineer |
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| resistor. |
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| 3. If incorrect appliance selected, select the correct one. |
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Instruction manual BFC | 80 |