[labnetwork] Suss MA6 Question

[James Mitchell]

Thanks, we have the CIC1200. Do you have the schematics for this?

[image: 20230323_075350.jpg]

On Thu, Mar 23, 2023 at 7:42 AM Khanna, Rohit <r.khanna at ucl.ac.uk> wrote:

> Hi Mitchell,
>                     Could you put some images of the power supply along
> with the model number. We had a similar UV lamp power supply failure. I had
> to change the high power MOSFETS and diodes in the unit along with some
> PTC inrush current limiter. These lamp drivers are fairly advanced as they
> constantly monitor the power lamp power and lamp current. I had used the
> following components to get the supply up and running. Repairing this unit
> involves disassembling the complete power supply and do board level
> repairs. These parts were ordered from Mouser Electronics.
>
> 494-APT2X61D60J Rectifiers Fast Recovery Epitaxial Diode - D
> 494-APT5010JVRU2 Discrete Semiconductor Modules Power Module - Mosfet 494-APT80M60J
> Discrete Semiconductor Modules Power MOSFET - MOS8
> 821-GBPC3510W Bridge Rectifiers 35A 1000V GLASS PASS WIRE
> 995-MS32-20010
> Inrush Current Limiters 32mm 20ohms 10A INRSH CURR LIMITER TC4420CPA
> MOSFET Driver Low Side, 4.5V-18V supply, 6A peak out, 2.1 Ohm output, DIP-8
>
> Warm Regards
> Rohit Khanna
> Electronic Test & Measurement Engineer
> London Centre for NANO Technology, UCL
> Ph:+44-020-76799984
> Lab: +44 20 3108 1516
> Int Ext: 39984
>
> ------------------------------
> *From:* labnetwork <labnetwork-bounces at mtl.mit.edu> on behalf of James
> Mitchell <jtmitch5 at ncsu.edu>
> *Sent:* 22 March 2023 18:29
> *To:* Fab Network <labnetwork at mtl.mit.edu>
> *Subject:* [labnetwork] Suss MA6 Question
>
>
> ⚠ Caution: External sender
>
> Lamp power supply will not turn on after lamp failure.
> We had a lamp (350 W) pop on our system.
> Cleaned up and installed a new lamp.
> When we start the power supply the breaker in the back of the system trips.
> Specifically, it trips when we press CP. System starts at STAND-BY.
> Press "ON" and the display shows "READY". Press CP and it displays
> "Wait..." for a second and then trips.
> We checked for shorts and all looked good. We swapped to the other 220
> Volt plug in the back and it trips as well.
> Any ideas on this? We are not sure if the start box or the supply
> itself is the issue.
>
>
> *Thank you, Jim*
>
> *James Mitchell*
> *Specialty Trades Technician*
> *Dept. of Electrical and Computer Engineering*
> *North Carolina State University Nanofabrication Facility (NNF)*
> *MRC RM243A **Box 7911*
> *2410 Campus Shore Dr., Raleigh, NC 27606*
> *jtmitch5 at ncsu.edu* <jtmitch5 at ncsu.edu>
> *Desk: 919-515-5394*
> *Cell: 919-717-7325*
>
>
>

-- 
*Thank you, Jim*

*James Mitchell*
*Specialty Trades Technician*
*Dept. of Electrical and Computer Engineering*
*North Carolina State University Nanofabrication Facility (NNF)*
*MRC RM243A **Box 7911*
*2410 Campus Shore Dr., Raleigh, NC 27606*
*jtmitch5 at ncsu.edu* <jtmitch5 at ncsu.edu>
*Desk: 919-515-5394*
*Cell: 919-717-7325*
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