Changes between Version 9 and Version 10 of TroubleShootingBias
- Timestamp:
- 04/24/17 22:10:03 (8 years ago)
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TroubleShootingBias
v9 v10 19 19 - do not close or kill biasctrl 20 20 21 == OverCurrent Status ==21 == !OverCurrent Status == 22 22 23 23 __Symptom__ 24 24 25 - when biasctrl ramped the voltage, it get in the state OverCurrent25 - when biasctrl ramped the voltage, it get in the state !OverCurrent 26 26 27 27 __Solution__ … … 29 29 1. BIAS_CONTROL/RESET_OVER_CURRENT_STATUS 30 30 2. then ramp down voltage, e.g. BIAS_CONTROL/SET_ZERO_VOLTAGE 31 3. maybe you have to repeat 1. and 2. as during ramping down another OverCurrent can happen31 3. maybe you have to repeat 1. and 2. as during ramping down another !OverCurrent can happen 32 32 33 33 __Not Helping__ … … 35 35 - do not close or kill biasctrl 36 36 37 __Repeated OverCurrent Status__37 __Repeated !OverCurrent Status__ 38 38 39 if OverCurrent appears again39 if !OverCurrent appears again 40 40 41 41 - switch to bias-off measurement (see https://trac.fact-project.org/wiki/SpecialMeasurements) … … 44 44 if this continues for several hours, you may go to bed earlier 45 45 46 == Status NotReferenced ==46 == Status !NotReferenced == 47 47 48 48 __Symptom__ 49 49 50 - biasctrl is in state NotReferenced50 - biasctrl is in state !NotReferenced 51 51 52 52 __Solution__