Power LED Blink Codes
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Appendix F:
Power LED Blink Codes
In the rare event that some electronics module fails, we include the start-up blink codes that the blue
Power
LED flashes. Upon start-up, view the
Power
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
Power
LED flashes three times.
Failure in an electronics module
The
Power
LED flashes codes depending upon the failed module:
Power LED blink code
Problem
Twice, then once
Post SDRAM unidentified problem
Twice, then twice
Post SDRAM size error
Twice, then three times
Post ROM checksum error
Three times, then four times
Post Serial init. RX buffer
Three times, then five times
Post Serial init. TX buffer
Three times, then six times
Post Serial init. UART
Three times, then eight times Post Communications module missing
Four times, then once
Post Control missing
Four times, then twice
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.
