Section 10
Testing and Troubleshooting
10.1 Troubleshooting
This section of the manual offers suggestions for troubleshooting hardware problems. Please read this section if you encounter a problem when installing the control panel. If these suggestions do not solve your problem or if you encounter a problem that is not listed here, contact Silent Knight Technical Support at
10.2 Common Problems
Problem | Possible Cause / Suggested Actions |
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Trouble message "DBL ADDR" (Double | An address has been assigned to more than one detector. Correct the address |
Address) displays on LCD. | following the procedure described in Section 5.8. |
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Auxiliary power or notification circuits | Correct polarity. For notification and auxiliary power circuits: When in alarm |
have incorrect polarity. | or powered, terminals labeled "X" are positive, terminals labeled "O" are |
| negative. |
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SLC devices are not being recognized | Check hardware connections. |
(trouble message "Missing" displays). | If devices are physically connected, make sure wiring is correct (see Section |
| 5.4). For the main panel, the positive side of device must be connected to |
| terminal 34; the negative side must be connected to Terminal 33. For 5815XL |
| devices, make sure the device connects to the 5815XL via the SLC OUT |
| terminals. |
| There can be only one SLC loop on the main panel and on each 5815XL |
| module. Do not connect devices to terminals labeled SLC IN. |
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| Make sure SLC devices have been addressed properly following the |
| procedure described in Section 5.8. |
| For contact monitor modules, which are addressed using dip switches, the dip |
| switch must be set to the correct address before power is applied to the SLC |
| loop. If this procedure is not followed, the device will have an incorrect |
| address. |
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| Make sure correct polarity has been observed for SLC device wiring. See |
| Section 5.4. |
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