| TLC | Meaning | PV |
|---|---|---|
| PKD | Cavity is tuned off frequency so it doesn't affect the beam | ACCL:{LINAC}:{CM}{CAV}0:PKD |
| INV | Invalid: one of the PVs necessary is not responding to caget or has INVALID status | ... |
| ARU | Awaiting run up: Station needs attention from LLRF/SRF groups before it can be used. A status set and cleared by experts | TBD |
| MNT | Maintenance: Station is known to be bad and awaiting attention from experts | TBD |
| HWI | Hardware Initialization (a.k.a. rack checkout) needs to be run. Don't trust current values | TBD |
| CKP | Check phase: if something is done to the system that makes 0 phase no longer knowable and ops need to re-fold. A status set and cleared by experts | TBD |
| SSP | SSA Permit: SSA permit to turn on faulted | ACCL:{LINAC}:{CM}{CAV}0:SSA_LTCH |
| SSA | SSA Faulted: SSA not on | ACCL:{LINAC}:{CM}{CAV}0:SSA:AlarmSummary.SEVR |
| FRO | Frequency Offset: LLRF has shifted the frequency - it's offset from nominal. | ACCL:{LINAC}:{CM}{CAV}0:FREQ_OFFSET.SEVR |
| CSI | Cryo Summary Interlock: He Level and He Pressure are summed into the Cryo Summary Interlock in the Resonance/Interlock Chassis. It's faulted. | ACCL:{LINAC}:{CM}00:CRYO_LTCH |
| RLK | Resonance/Interlock Link faulted | ACCL:{LINAC}:{CM}{CAV}0:RESLINK_LTCH |
| FPG | FPGA PLL Lock fault | ACCL:{LINAC}:{CM}{CAV}0:PLL_LTCH |
| IOC | EPICS IOC Watchdog Fault | ACCL:{LINAC}:{CM}{CAV}0:IOCWDOG_LTCH |
| BLV | Beamline Vacuum too high | ACCL:{LINAC}:{CM}00:BMLNVACA_LTCH and BMLNVACB_LTCH |
| CPV | Coupler manifold vacuum too high | ACCL:{LINAC}:{CM}00:CPLRVACA and CPLRVACB |
| CP1 | Coupler Temp 1: Temperature sensor on the top of the coupler indicates high temp | ACCL:{LINAC}:{CM}{CAV}0:CPLRTEMP1_LTCH |
| CP2 | Coupler Temp 2: Temperature sensor on the bottom of the coupler indicates high temp | ACCL:{LINAC}:{CM}{CAV}0:CPLRTEMP2_LTCH |
| STT | Stepper motor temp: Temperature sensor on cavity tuner stepper motor out of tolerance | ACCL:{LINAC}:{CM}{CAV}0:STEPTEMP_LTCH |
| QCH | LLRF system detected a cavity quench | ACCL:{LINAC}:{CM}{CAV}0:QUENCH_LTCH |
| RES | Resonance Chassis Summary Fault | ACCL:{LINAC}:{CM}{CAV}0:RESINTLK_LTCH |
| RFP | RF Permit: Latched cavity interlock summary fault | ACCL:{LINAC}:{CM}{CAV}0:RFPERMIT |
| PZT | Hardware summary status for piezo | ACCL:{LINAC}:{CM}{CAV}0:PZT:HWSTATSUM |
| STP | ACCL:{LINAC}:{CM}{CAV}0 | ACCL:{LINAC}:{CM}{CAV}0:STEP:HWSTATSUM |
| CVC | Cavity Characterization needs to be run: Due to changes in the LLRF system, the cavity characterization needs to be run | ACCL:{LINAC}:{CM}{CAV}0:CAV:CALSTATSUM |
| CTL | Cavity Controller problem: Cavity LLRF controller misconfiguration | ACCL:{LINAC}:{CM}{CAV}0:CTRL_SUM.SEVR |
| RFR | RF (not) ready for beam: RFREADYFORBEAM status is faulted, i.e. not in SELAP mode &/or RF is off | ACCL:{LINAC}:{CM}{CAV}0:RFREADYFORBEAM |
| PZF | Piezo feedback is not on | ACCL:{LINAC}:{CM}{CAV}0:PZT:MODECTRL |
| PZO | Piezo feedback is indicating a problem | ACCL:{LINAC}:{CM}{CAV}0:PZT:FBSTATSUM |
| AFB | Amplitude feedback is out of tol: the feedback maintaining the amplitude is unable to keep the amplitude within tolerance. | ACCL:{LINAC}:{CM}{CAV}0:AMPFB_SUM |
| PFB | Phase feedback is out of tol: The feedback maintaining the phase is unable to keep the phase within tolerance | ACCL:{LINAC}:{CM}{CAV}0:PHAFB_SUMF |
| FBS | Feedback Sum: The feedback is unable to keep either phase or amplitude within tolerance | ACCL:{LINAC}:{CM}{CAV}0:FB_SUM |
| AMJ | amplitude jitter | TBD |
| PHJ | phase jitter | TBD |
| CCR | cryomodule cryo - if any statuses from the cryo instrumentation list for specific cavities turn yellow. | TBD |
| ??? | If any analog instrumentation that feeds an interlock turns yellow (CPLRTEMP, vacuum, LL, pressure), show it | TBD |
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