Anders Mjos wrote: |
Anders Mjos wrote: |
Plant Services group (Tony) will contact a service tech on Monday.
Water system will be switched off over the weekend.
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Thursday, July 14, 2016, 13:24: Claus from Daikin is on site to troubleshoot.
The VFD driven fan motor has failed. Temporarily blocked air-flow through failed fan to improve air-flow to radiator. A new motor will be ordered (Curtis).
Thursday, July 14, 2016, 15:39: Stopped cooling system for the day
Friday, July 15, 2016, 08:16: Cooling system started
Friday, July 15, 2016, 15:00; Cooling system stopped.
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Thursday, August 18, 2016, 10:34: The motor was replaced today by Claus from Daikin. System is running normally again. |
Water cooling is performed manually with CP1. RGA is ON since yesterday. EE is not connected and in conditioning mode.
Friday, August 12, 2016, 10:43: BIAS at 10 kV, EL at 0.5 kV. IG1 at 1.8E-6 T
Friday, August 12, 2016, 11:04: BIAS at 20 kV
Friday, August 12, 2016, 11:10: Sparking at 21 kV
Friday, August 12, 2016, 11:29: BIAS at 22 kV. Many small sparks/current excursions.
Friday, August 12, 2016, 11:32 : BIAS at 23 kV
Friday, August 12, 2016, 11:37: BIAS at 24 kV
Friday, August 12, 2016, 11:43: BIAS at 25 kV. Heavy sparking. Lowered to 24 kV to reduce spark rate.
Friday, August 12, 2016, 11:52: Increased sparking rate. Lowered to 23 kV.
Friday, August 12, 2016, 12:05: Lowered to 20 kV
Friday, August 12, 2016, 12:21: Back to 23 kV
Friday, August 12, 2016, 12:28: Heavy sparking between 23 and 24 kV. Lowered to 22 kV
Friday, August 12, 2016, 12:29: More sparking. Lowered to 21 kV.
Friday, August 12, 2016, 13:02: Increased back up to ~25 kV while Aurelia was listening for sparks in the Target Hall.
Friday, August 12, 2016, 13:03: EL to 10 kV
Friday, August 12, 2016, 13:06: BIAS / EL to 23 / 12.5 kV
Friday, August 12, 2016, 13:34: Repeated sparking at 24.5 kV. Ramping down
Friday, August 12, 2016, 15:33: Stopped water package. RGA off |