This article describes possible error codes for the cylinder KK2120, door handle KK2172, door fitting KK2174, card reader KK2132 and KK2124.
| Function | Signal akustisch | Erläuterung |
| Memory/configuration error | - - - - - * | 5 long tones, 1 short tone |
| Coupling error | - - - - - * * | 5 long tones, 2 short tones |
| RTC error (clock) | - - - - - * * * | 5 long tones, 3 short tones |
| Internal error (Interrupt) | - - - - - * * * * | 5 long tones, 4 short tones |
| Internal error (bus conflict) | - - - - - * * * * * | 5 long tones, 5 short tones |
| Internal error (bus conflict) | - - - - - * * * * * * | 5 long tones, 6 short tones |
| Internal error (bus conflict) | - - - - - * * * * * * * | 5 long tones, 7 short tones |
Please contact KleverKey Support, if any of the above errors occur.
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