Appendix D: Power LED Blink Codes and Error Messages
Blink Codes
In the rare event that some electronics module fails, we include the start-up blink codes that the blue PWR LED
flashes. Upon start-up, view the PWR LED. If it blinks more than five times, or flashes one of the blink-codes
below, please call Gamry Instruments for service.
Normal Start-up
The PWR LED flashes four or five times.
Failure in an electronics module
The PWR LED flashes codes depending upon the failed module:
Problem
Post SDRAM unidentified problem
Post SDRAM size error
Post ROM checksum error
Post Serial init. RX buffer
Post Serial init. TX buffer
Post Serial init. UART
Post Communications module missing
Post Control missing
Post potentiostat missing
If there are multiple problems, the communications board takes code priority over the memory module.
Severe problem
The red LED, which normally switches off after a rapid boot-up, remains illuminated.
If you receive one of the above codes, please call Gamry Instruments Service Department for
assistance.
Error Messages and Limitations
The Interface 5000 has a subtype, Interface 5000P, which may generate error messages under certain run-time
conditions.
Error Message This instrument is not authorized for Freq=
The Interface 5000P is able to perform EIS at frequencies 20 kHz or lower. Higher frequencies generate this
error message. Decrease the upper frequency to continue.
Appendix D: Power LED Blink Codes and Error Messages
Power LED blink code
Twice, then once
Twice, then twice
Twice, then three times
Three times, then four times
Three times, then five times
Three times, then six times
Three times, then eight times
Four times, then once
Four times, then twice
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