ACCESSORY POWERtrouble
Silent Knight SK-5207: ACCESSORY POWER
Silent Knight SK-5207·0 views·0 field notes
What This Code Means
Indicates a trouble condition with the accessory power at terminal 26 or a mismatch between the power supply and panel voltage selections.
Common Causes
- 1Power supply and panel voltage selections are not the same
- 2Accessory power voltage is outside the normal range (typically 26-30V)
- 3Short circuit or overload on terminal 26
Resolution Steps
Check programming step 2 to ensure power supply and panel voltage selections match. Measure the voltage at terminal 26. Use Accu-Zone Troubleshooting (Mode 25) to locate and correct the condition.