The performance of the roughing pump has gradually gone down. Notably after the system has been vented. See attached screenshot from the archiver.

E-fault 7258.

Anders Mjos wrote:

The performance of the roughing pump has gradually gone down. Notably after the system has been vented. See attached screenshot from the archiver. E-fault 7258.

 Edi replaced the backing pump on June 5th.

As per Friedhelm the conditioning settings are:

TGHT 580A

TBHT 290A

COIL 80A

ANODE 200V

Ramped up completed:

TGHT 580A/5.683V

TBHT 242A/2.295V (EPICS settings) and 289A/2.29V at the PS

COIL 80A

Current on the Anode = 13.431mA

As per ISK4562 Rev 3 and ISK4563 Rev 3

By Ray D. and co.

The ground connection between B and F (ISK4523D Rev 6) was found burnt off. It will be switched out as per CATHODE BIAS configuration (ISK4563D Rev 3) by Ray D.

Restarted archivers.

Monday, May 12, 2014, 14:14 : Roughing

Monday, May 12, 2014, 14:34: Starting turbos

Monday, May 12, 2014, 14:42 : Turbos at speed

Monday, May 12, 2014, 14:44 : Vacuum at  1.7E-5 T

Tuesday, May 13, 2014, 10:51: Opened water for HS circuit. Vacuum stable at 2.2E-7 T. Minor spike to 2.5E-7 T for 10 s.

Tuesday, May 13, 2014, 10:54: Roughing out gas lines.

Tuesday, May 13, 2014, 11:30: Opening SV5 and SV2 to evacuate gas lines completely.

Tuesday, May 13, 2014, 11:58: BIAS to 30kV, EZL to 13 kV. EE to 1.5 kV.

Tuesday, May 13, 2014, 11:59: Opening isolation valve

Tuesday, May 13, 2014, 12:12: Started heating to 450A / 200A TGHT / TBHT.

Target heating stopped at 167 A - likely caused by network problems. Multiple gaps in strip tool. Indicating lost network connection.

Wednesday, May 14, 2014, 10:07: Resuming heating to 450A / 200A TGHT / TBHT (EPICS 170A)

Wednesday, May 14, 2014, 10:12: De-biasing to investigate ANODE/CATHODE BIAS

Switched ON ANODE/CATHODE BIAS PS.

Wednesday, May 14, 2014, 10:22: BIAS to 30kV, EZL to 13 kV. EE to 1.5 kV.

Wednesday, May 14, 2014, 16:07: Continue heating TGHT to 500A

Wednesday, May 14, 2014, 16:33: TGHT at 500A. TBHT at 203 A.

Thursday, May 15, 2014, 14:57: Switched OFF/ON IOC to recover from white-out.

Thursday, May 15, 2014, 15:51: Started heating to 550A / 240A 

COIL to 50A
ANODE to 200V
TGHT to 580A
TBHT to 280A

Friday, May 16, 2014, 11:28  : Opening Ne

Friday, May 16, 2014, 11:56: TBHT to 290 A

Friday, May 16, 2014, 14:12: Started cool down. ANODE/CATHODE Bias requires reconfiguration.

Tuesday, May 20, 2014, 11:10: Ray and co is checking the configuration and troubleshooting the burnt off GND connection. The Test Stand will be configured to CATHODE negative BIAS.

Tuesday, May 20, 2014, 12:35: BIAS, EZL, EE, COIL, ANODE ON.

Tuesday, May 20, 2014, 12:35: Gas lines pumped.

Tuesday, May 20, 2014, 12:35: Auto heating to 240A/500A at 1A/2A /min.

Tuesday, May 20, 2014, 12:44: IV4 opened 

Monday, May 12, 2014, 10:02: Jane R. power cycled the hardware. EPICS is back up. Sources archiver required a restart.

 Archiver restarted.

Monday, April 28, 2014, 10:23: Started roughing

Monday, April 28, 2014, 10:48: Started turbos. CG1 at ~0.3 T 

Monday, April 28, 2014, 10:56 : Turbos at speed

Monday, April 28, 2014, 10:58 : Vacuum at 7.2E-6 T

Tuesday, April 29, 2014, 09:15: Vacuum over night was somewhat erratic with a couple of excursions. Venting to redo door seal and inspect chamber. 

Tuesday, April 29, 2014, 13:18: Venting 

Aborted venting.

Wednesday, April 30, 2014, 10:15: Vented. Cleaned front door o-ring and groove. Inspected VCR joint on HS water loop. No visible issues.

Wednesday, April 30, 2014, 10:15: Roughing

Wednesday, April 30, 2014, 10:35 : Starting turbos

Wednesday, April 30, 2014, 10:44 : Turbos at speed

Wednesday, April 30, 2014, 10:45 : Vacuum at 6.5E-6 T

Thursday, May 01, 2014, 08:44: Vacuum erratic over night. Small burst of pressure increase in vacuum with ~2 hours intervals. Leak found on HS cooling circuit by purging the water line.

Thursday, May 01, 2014, 08:46: Stopping turbos. Vacuum at 2.7E-7 T

HS water line should be purged again before breaking VCR seal.

Thursday, May 01, 2014, 09:59: Venting

Thursday, May 01, 2014, 10:45: Removed HS loop.

Thursday, May 01, 2014, 10:45: Roughing

Thursday, May 01, 2014, 11:11: Starting turbos. CG1 ~ 0.1 T

Thursday, May 01, 2014, 11:19: Turbos at speed

Thursday, May 01, 2014, 11:21 : Vacuum at 5.2E-6 T

Monday, May 12, 2014, 10:03  : Turbos stopped. Vacuum at 1.22 E-7 T

Monday, May 12, 2014, 13:34: Venting

Wednesday, April 23, 2014, 14:15: Roughing

Wednesday, April 23, 2014, 14:34 : Starting turbos

Wednesday, April 23, 2014, 14:42 : Turbos at speed

Wednesday, April 23, 2014, 14:44 : Vacuum at 8.3E-6 T

Thursday, April 24, 2014, 09:12: Opened water for HS loop. Vacuum stable at1.6E-7 T

Thursday, April 24, 2014, 09:25: Started heating TGHT to 580A at 2A/min

Thursday, April 24, 2014, 14:07: Aborted autoramping. Cu-strip glowing. Started Target Cooldown.

Monday, April 28, 2014, 08:36: Stopped turobs. Vacuum at 1.2E-7 T

The archiver was not running

Friday, April 04, 2014, 16:26: Heatshield/Ionsource assembly for UC LP SIS  installed in test stand with Ta tube as heat load.

Friday, April 04, 2014, 16:29: Chamber roughing started

Friday, April 04, 2014, 16:51: Turbos started

Friday, April 04, 2014, 16:59: TP1B at speed

Friday, April 04, 2014, 17:00: TP1A at speed

Friday, April 04, 2014, 17:00: IG1 Turned on vacuum at 2.8e-05T

Tuesday, April 08, 2014, 10:37: Vacuum 1.8e-07 T - Heatshield water turned on

Tuesday, April 08, 2014, 10:40: No change in vacuum pressure.

Wednesday, April 09, 2014, 11:46: Started heating tght to 200 amps

Wednesday, April 09, 2014, 14:58: Heating increased to 400 amps

Thursday, April 10, 2014, 14:58: Heating increased to 580 amps

By AM

Friday, April 11, 2014, 14:57: Started cool down. Vacuum at 4.2E-7 T

By AM

Wednesday, April 23, 2014, 09:18: Turbos stopped. Vacuum at 1.2E-7 T

Wednesday, April 23, 2014, 13:50: Venting

Wednesday, April 23, 2014, 14:14: Heat Shield removed

HV and Heaters Conditioning had finished. The target was cooled down and it's ready for the on-line installation.

Friday, April 04, 2014, 08:23: Target bias, EE and EZL to zero. Turbos off.

Friday, April 04, 2014, 10:14: Venting 

Friday, April 04, 2014, 10:48: Target removed - By R.M.

Started March 31, 2014:

- did the HV conditioning up to 30kV.

April 1, 2014:

- started the Heaters Conditioning. 

Heaters Conditioning finished.

The Power Supplies front panel:

TGHT: 5.56V and 580A

TBHT: 2.23V and 227A

April 2, 2014:

- did a mass scan. NOTE: data is shifted by 10-15%.

plotdump-local-clean.txt_Apr2_14_16-33-19.txt

After the scan finished I found the Test Stand EPICS screens whited-out. Decided with Friedhelm to leave it as it was for the night and to contact Controls next day to reboot it without tripping the heaters and the HV.

April 3, 2014:

Found everything recovered. Except: “SOURCES ARCH IS RUNNING” was red. So, I restarted it. Jane Richards and Friedhelm didn’t do any IOC reboot. Also found that the data from yesterday’s scan was saved (see the previous scan).

Did another mass scan:  plotdump-local-clean.txt_Apr3_14_10-18-13.txt

NOTE: data is shifted by 10-15%.

Cooling down .

NOTE:

TBHT Power Supply is 600A. EPICS thinks it is 500. Multiply current setting with 1.2 for actual current to the tube.

Friday, March 28, 2014, 10:38: Stopped turbos. Vacuum at 1.3E-7 T 

Friday, March 28, 2014, 15:05: Venting

By RM

Friday, March 28, 2014, 15:22: Target assembly installed

Friday, March 28, 2014, 15:43: Chamber Roughing started

Friday, March 28, 2014, 15:58: Turbos started

Friday, March 28, 2014, 16:03: TP1B at speed

Friday, March 28, 2014, 16:06: TP1A at speed

Friday, March 28, 2014, 16:07: IG1 Turned on - reading 1.29e-05T

 By R.M.

Monday, March 31, 2014, 09:55: Water to heatshield line turned on, no change in vacuum: 1.31e-07 T

Roughing

Friday, March 21, 2014, 13:59: Starting turbos

Friday, March 21, 2014, 14:08: Turbos at speed

Friday, March 21, 2014, 14:09: Vacuum at 7.5 E-6T

NOTE:

TBHT Power Supply is 600A. EPICS thinks it is 500. Multiply current setting with 1.2 for actual current to the tube.

Time stamp on OM-DAQPRO-5300 is on hour behind (daylight savings).

All bolts torqued to 130 in lbs. TGHT and TBHT bolts tightened and loosened 3x.

Monday, March 17, 2014, 19:10: Roughing

Monday, March 17, 2014, 19:30: Turbos started

 Monday, March 17, 2014, 19:38: Turbos at speed. 

Monday, March 17, 2014, 19:40: Vacuum at 1.3E-5 T

BY R.M.

Tuesday, March 18, 2014, 10:10: Vacuum 2.87e-07 T

Tuesday, March 18, 2014, 10:12: Heatshield Water Circuit turned on

Tuesday, March 18, 2014, 10:25: Vacuum 2.85e-07 T

By AM

Tuesday, March 18, 2014, 16:06:

Conditioned high voltage BIAS to 30kV. BIAS:RDCUR 37 uA.

Started heater auto-ramping. TBHT to 50A at 1A/min. TGHT to 100A at 2 A/min.

Vacuum at 2.7E-7 T

Tuesday, March 18, 2014, 17:06: TBHT and TGHT reached 50A and 100A respectively. Local readback on TBHT is 58A (as expected - see note above). Vacuum is gradually coming down.

Operation stable over night. TSG:CBC needed to be restarted. Switched off over night.

Wednesday, March 19, 2014, 08:21: Continue heating to 85A / 250 A TBHT/TGHT.

Wednesday, March 19, 2014, 09:12

Water temperatures 27 - 28 deg C, and flow Rates
4.0 l/m HS+MSP
6.4 l/m TBHT
5.1 l/m COIL+EE
5.6 l/m TGHT

Wednesday, March 19, 2014, 09:57: Continue heating to 170 A / 500 A, TBHT/TGHT

Wednesday, March 19, 2014, 09:58: Opened IV4

Wednesday, March 19, 2014, 09:58: Restarted Q1.

Wednesday, March 19, 2014, 10:11: Switched FC0 bias to negative

Wednesday, March 19, 2014, 10:30: Q1 restarted. Possible spark. Small vacuum response on IG1

Wednesday, March 19, 2014, 10:49: Some sparking

Wednesday, March 19, 2014, 12:43: Continue heating to 190A / 580 A TBHT/TGHT.

Wednesday, March 19, 2014, 13:00: TBHT voltage limited. Increased limit to 2.3V

Water temperatures and flow rates
35 C 4.0 l/m HS+MSP
28 C 6.4 l/m TBHT
28 C 5.1 l/m COIL+EE
30 C 5.6 l/m TGHT

Wednesday, March 19, 2014, 13:32: Local read back on PS: 223A / 580A TBHT/TGHT

Water temperatures and flow rates
37 C 4.0 l/m HS+MSP
28 C 6.4 l/m TBHT
29 C 5.1 l/m COIL+EE
31 C 5.6 l/m TGHT

Wednesday, March 19, 2014, 14:30: Measured ~2E-7 A 23Na on FC6 and 2E-7 A on FC0. Vacuum on IG1 4.2E-8 T

Wednesday, March 19, 2014, 14:58: TBHT was voltage limiting. Increased voltage limit to 2.4 V

Target will condition over night.

Thursday, March 20, 2014, 10:07: Measured ~1.4E-8 A 23Na on FC6 and 2E-7 A on FC0. Vacuum on IG1 8.3E-7 T

Water temperatures and flow rates
35 C 4.0 l/m HS+MSP
27 C 6.4 l/m TBHT
27 C 5.1 l/m COIL+EE
29C 5.6 l/m TGHT

Thursday, March 20, 2014, 10:13: Starting mass scan 200 - 0

Local current  on PS (TBHT/TGHT): 227 A / 580 A

At about 10:15 to 10:20 the TGHT:RDVOL dropped from 7.2 - 7.1 V.

Thursday, March 20, 2014, 11:05: Mass scan finished.

Water temperatures and flow rates
36 C 4.0 l/m HS+MSP
28 C 6.4 l/m TBHT
29 C 5.1 l/m COIL+EE
30 C 5.6 l/m TGHT

Thursday, March 20, 2014, 13:20

Water temperatures and flow rates
34.8 C 4.0 l/m HS+MSP
26.1 C 6.4 l/m TBHT
26.8 C 5.1 l/m COIL+EE
28.4 C 5.6 l/m TGHT

Thursday, March 20, 2014, 13:24: Conditioning EE to -2kV

Thursday, March 20, 2014, 13:26: EE at -2kV and 694 uA

Thursday, March 20, 2014, 13:36: Lowering EE back to -1.4kV

Thursday, March 20, 2014, 13:38: Starting the cool down of the target at 2 A/min

Thursday, March 20, 2014, 15:08: Closed IV4

Friday, March 21, 2014, 08:32: Lowered BIAS, EE and EZL to 0. TGHT and TBHT off.

Friday, March 21, 2014, 08:33: Stopped turbos. Vacuum at 1.3E-7 T

Friday, March 21, 2014, 13:10: Venting

A new Heatshield waterline loop was manufactured and installed to replace the old one which had a leak.

Chamber vacuum currently being roughed down.

Wednesday, March 12, 2014, 10:41: Started turbos.

Wednesday, March 12, 2014, 10:5:0 Turbos at speed. TP1A timed out once.

Wednesday, March 12, 2014, 10:51: Vacuum at 2.6E-5 T.  

By AM

Thursday, March 13, 2014, 10:20: Opened water. Vacuum stable at 9.3E-7 T.

Venting chamber to investigate slow pump down.

Thursday, March 13, 2014, 10:21: Stopped turbos.

Thursday, March 13, 2014, 11:15: Venting

By RM

HS loop wiped with methanol, door seals wiped.

Thursday, March 13, 2014, 11:47: Pump down Started

Thursday, March 13, 2014, 12:05: Turbos started

Thursday, March 13, 2014, 12:09: TP1B at speed

Thursday, March 13, 2014, 12:12: TP1A at speed

Thursday, March 13, 2014, 12:13: IG1 turned on Vacuum at 7.2E-06

By AM

Monday, March 17, 2014, 12:55 : Stopped turbos. Vacuum at 2.4E-7 T. 

Monday, March 17, 2014, 17:39: Venting

Tuesday, March 11, 2014, 09:03: Venting to investigate

See fault report 7240

Tuesday, March 11, 2014, 09:04: Stopping TMS:TP6. Vacuum at 9.7E-6 T.

Wednesday, March 12, 2014, 10:22: Venting TMS section for TP2 replacement.

Edi replaced TP2

Wednesday, March 12, 2014, 15:36: Roughing TMS section.

Wednesday, March 12, 2014, 15:45: Starting turbos.

Wednesday, March 12, 2014, 15:49: Turbos at speed. Vacuum at 3.6E-5 T.

Wednesday, March 12, 2014, 15:55: Vacuum at 1.5E-5 T.