This page is to help identify issues with the operation on the telescope and corrective action.
| 1 | 4/19/22 | Mount did not go active | Aborted-Error 2 az failed with error(-14) controller interlocked alt failed with error(-14) controller interlocked Beckhoff error: external error | Reset Phase guard in MDC2 (service ring) cycle 3p circuit breaker above unit. | Phase guard was replaced 7/26/21 continue to monitor. |
| 2 | 4/19/22 | M3 fault | aborted- Hardware exceeption when setting PI E-712 servo mode | Reset PI controller in PA&C rack. | IT working on ports may have caused issue. |
| 3 | 4/19/22 | Pflow Coude door stuck open | Pflow Coude lab Roll up door doesn’t close (stuck open) | Re-stripped switch wires and terminate | Switch wires oxidized |
| 4 | 10/17/22 | Mount Motor Drive Fault. | MDC2 Phase Guard fault. Reset and it cleared. |