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QCL-LAB Datasheet(PDF) 17 Page - Wavelength Electronics, Inc. |
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QCL-LAB Datasheet(HTML) 17 Page - Wavelength Electronics, Inc. |
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17 / 24 page  17 TROUBLESHOOTING Table 5. Troubleshooting PROBLEM POTENTIAL CAUSES SOLUTIONS Front panel Power button does not turn on The button has been pushed on and off within 3 seconds. The front panel Power button has a 3 second delay between when it is turned off and on in rapid succession. This is a safety mechanism to ensure there is no damage to either the QCL instrument or the attached load. The rear panel switch is off. Turn the rear panel switch to the on or | position. The Enable button does not turn on The button has been turned on and off within 2 seconds. The button cannot be pressed faster than every 2 seconds. The QCL D-SUB interlock or Active Interlock connections are open, or the keyswitch is in the LOCKED position • Make sure PIN 1 and PIN 2 on the QCL D-SUB are shorted. • The “Active Lock” BNC connector may be open. Install a BNC shorting plug. • Rotate the key to the UNLOCKED position. The instrument experienced an internal fault. (See Error Messages on page 19.) The instrument will remain disabled until manually powered off and then on using the rear panel power switch. The instrument heatsink temperature has exceeded 70ºC. Allow the instrument to cool down and then press the front panel power button. The front panel Power button is not on. Press the Power button on the front panel to enable the display. The instrument is on but the front panel display is blank The instrument experienced an internal fault. (See Error Messages on page 19.) Switch the back panel power button off and then on again, and turn the front panel power button on. The internal temperature has reached an unsafe level. Allow the instrument to cool down and then switch the back panel power button off and then on again, and turn the front panel power button on. The front panel Power button is pulsing on and off in standby mode. Press the Power button on the front panel to enable the display. The date and time on my VI scan file are wrong The QCL instrument does not have a realtime clock. When a VI scan file is created, the date and time stamp are randomly chosen. The VI scan files are not in the order that they were created Some files may have been deleted off of the USB flash drive. When files are deleted off of the USB flash drive and new files are saved to it, the new files are given sequentially the names of the deleted files. Unable to create new VI scans The interlocks may not be satisfied. Turn the keyswitch to UNLOCKED, or install the ACTIVE LOCK BNC and passive interlocks. There are too many files on the USB flash drive. Delete files from the USB flash drive. I can’t find my VI scan files VI scan files are named sequentially. If files have been deleted from the flash drive, any new files added are named sequentially and have the names of the deleted files. The fan keeps coming on The internal temperature is being regulated. To reduce internal heat generation, choose a lower supply voltage. The instrument will shut down if the internal temperature gets too hot. |
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