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Please review this section before you call Baker Instrument Company or
Self Help and Diagnostics
Problems in testing often crop up. If you are experiencing a problem and believe the
problem might be with the Baker Instrument Company Advanced Winding Analyzer,
please take the following steps before calling or returning the unit.
By performing these procedures and having the requested information available, Baker
Instrument Company's Service or Applications Departments will be able to better
analyze your situation and provide the appropriate response. Either department may be
reached toll-free at 800-752-8272 or 970-282-1200 for assistance.
Step #1: Basic Information
Take down all basic instrument information, including the following:
Model #
Serial #
Product #
Note: All information above is located on the rear panel product label. If the tester has
special options installed that you are aware of, please note these. Any and all information
you know or can derive would be of help! A great tool would be a printout or sketch of
the waveforms displayed on the tester.
Step #2: Applications or Service Problem?
Generally, if a problem is noted Only when testing a specific motor/generator or other
coil type, then Applications would be involved. See Applications: What to do First!
Please call Baker Instrument Company, Sales Department for Applications assistance.
Troubleshooting
return the unit.
example: AWAIII
example: 121
example: 99-A312-00E
AWA Troubleshooting
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Related Manuals for Baker AWA Series
Summary of Contents for Baker AWA Series
- Page 1 AWA Troubleshooting Troubleshooting Please review this section before you call Baker Instrument Company or return the unit. Self Help and Diagnostics Problems in testing often crop up. If you are experiencing a problem and believe the problem might be with the Baker Instrument Company Advanced Winding Analyzer, please take the following steps before calling or returning the unit.
- Page 2 Review the section below on Common Application Problems. Please have Basic Information about your tester and specific information about the motor you are testing available when calling or faxing to assist Baker Instrument Company personnel in determining a solution to your problem.
- Page 3 AWA Troubleshooting This situation can be seen in DC field or rotating poles. Be sure the coils being compared are being tested in identical configurations; i.e. both coils are wound clockwise beginning to end. On very large equipment, slight differences in capacitance to ground may be the cause. At low voltage levels, begin the test again with the black ground lead removed from the motor frame.
- Page 4 Output control! There is no need to perform this test at high voltage. If the display still shows NO voltage bar call Baker Instrument Company Service Department. Use a meter to confirm the insulation resistance of the device being tested.
- Page 5 For number 5, or any of the conditions noted above, use a grounding strap to a good earth ground. In the case of number 6, call Baker Instrument Company Service for assistance. There is an override available but precautions should be taken.
- Page 6 The Warranty Return Form on the following page MUST BE FILLED OUT and RETURNED with the tester to obtain warranty service. This form will help to ensure that Baker Instrument Company will identify the problem, quickly repair our unit, and return it to you.
- Page 7 Please fill out all the following information and return this form with your tester. Make a copy for your records before sending this to Baker Instrument Company. Note: Be sure to follow the guidelines for shipping when sending your tester to Baker Instrument Company.
- Page 8 AWA Troubleshooting Analyzer Troubleshooting Procedures &Fault Listing 1. Rittal case removal. (AWAII only). 2. Windows NT crashes after installing a new printer driver or other software. 3. Windows NT crashes after installing a new printer driver of other software, giving a blue screen.
- Page 9 AWA Troubleshooting 19. AWA seems to have a flat line display for the surge test, all other tests work normally. 20. AWA will not properly apply a programmed 6000 volt surge test, gives a flat top on the surge display that stops at approximately 5800 volts. 21.
- Page 10 AWA Troubleshooting 1. Rittal Case Removal The Rittal case has been used on the AWA Series II model. Removal of this case is as follows. a. Locate and pry open, with a small slotted screwdriver, six plastic covers that overlap six M4 screws that hold the top cover to the case assembly.
- Page 11 AWA tester unless it is known to be Windows NT Workstation 4.0 compliant. If software is going to be installed, be sure to log onto the system as User: "Administrator" (case sensitive) Password: baker. 3. Windows NT crashes after installing a new printer driver or other software, giving a blue screen.
- Page 12 NIC card may require a more recent Microsoft service pack to properly function. Most Baker Instrument AWA testers have service pack 4 or later. Also: After installation of new pieces of hardware- it is usually important the service pack be reinstalled to ensure proper function.
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Page 13: Hard Disk Drive Failure
AWA Troubleshooting b. The drive is replaceable with any standard 3.5” disk drive. These items are available at numerous retail outlets such as: Best Buy, Circuit City or nearly all computer sales outlets, as well as on the Internet. They are usually less than $20 items. c. - Page 14 AWA Troubleshooting 8. AWA has a black screen after being transported, even though fans, etc… are working a. All AWA testers manufactured since 1994 have had LCD (Liquid Crystal Display) panels. Due to the constant changes seen in the portable computer market, the I/O connectors used on these displays are small and relatively weak.
- Page 15 AWA Troubleshooting 11. AWA tester gives a HiPot trip at the activation of every meg-ohm/HiPot/PI test, after transport to a new location. a. Check for the presence of a true earth ground at the AC power cord. The AWA will not allow high voltage operation without a true earth ground.
- Page 16 HiPot and surge tests appear to work normally. a. In AWA Series II tester, it was possible for the 80-125 board to be unseated after rough handling. Remove the top lid, and verify the presence of the 80-125 board in it’s mother board slot.
- Page 17 AWA Troubleshooting c. 80-100 AD/IO board damaged or faulty. 16. AWA reaches an arbitrary test voltage for meg-ohm/DC HiPot/PI test and then stops at that voltage Example: Test requires 5600VDC, the AWA will ramp normally to 1800 volts, then stops. The test times keeps running and the test will never conclude. a.
- Page 18 A/D converter. Use an ohmmeter to verify integrity, and replace if faulty. If the AWA is not to be used with the Baker Instrument PP30D, it can be jumpered out with buss wires across C to N.O.
- Page 19 AWA Troubleshooting c. Reference the AWA calibration procedure, it gives detailed steps to follow that will allow the user to correct the setting of the attenuator that is used when a 6000 V test is programmed. The idea is to verify the AWA will not flat top the attenuator in that range.
- Page 20 AWA Troubleshooting This happens even when other manufacturers meggers and hi-pots show the cable run/motor as being good. AWA seems to perform properly on all other motors and conditions. a. In certain cases it is possible for the AWA to be programmed to coincide with the natural resonance of the cable run and the motor.
- Page 21 It is not recommended to use AWA software 2.2 or earlier. If, for any reason V2.2 or earlier was used, it is possible to obtain the original (as it left Baker Instrument) calibration file, by contacting Baker Instrument service department. If possible, back...
- Page 22 C:\WINNT\Awa.ini file contains the password settings. Use Windows NT explorer to navigate to this file, open it, edit the following entries, and save it: b. TestSetupPSWRD=baker (enter what the new password =) c. Password=bakerpas (enter a new password =) d.
- Page 23 AWA Troubleshooting c. AWA allows proper meg/PI/hi-pot operation with the PP30D, but not surge test: This may be the 80-123 Fast A/D board K2 relay (for surge signal) or the K1 relay (for surge trigger). Also, check for the AUX connector problem as detailed in step 21h 29.
- Page 24 AWA Troubleshooting d. 80-100 AD/IO board may be damaged replace it. 32. AWA will not boot properly, giving messages such as "Drive not Ready", "Insert boot diskette in drive A", etc. a. The AWA hard drive may have failed. b. IDE ribbon cables knocked out of the CPU motherboard. c.
- Page 25 AWA Troubleshooting 34. AWA screen has a bunch of horizontal lines. a. The Hirose connector on the back of the LCD is loose. b. The LCD panel is failing. 35. AWA smokes after plugging it into Patriot U.P.S. or SOLA/HEVI Duty U.P.S. power supply.