Aethlabs microAeth AE51 Operating Manual page 12

2.6.7 Status Indications
2.6.7.1 LED Status Indications
The microAeth has one yellow LED located on the rear panel that turns on when the microAeth is charging.
The microAeth has two LED indicators, one green and one red, located on the front panel immediately to
the left of the filter chamber. These lights indicate the instrument's current operating status. The green LED
generally indicates that the instrument is functioning properly and is or is not collecting data. The red LED
indicator generally indicates that the unit is not operating in a normal sampling state. The status indications
signaled by the LEDs are given in the following table.
Run Modes
Green 1 long blink & beep sound
Green 1 blink every 3 sec
Green 2 blinks every 3 sec
Green 1 long blink every 1 or 5 min
Status Warnings during Run Modes (see above)
Green indicates Run Mode (see above), Red
Red 1 blinks every 1 sec
Red 2 blinks every 1 sec
Red 3 blinks every 1 sec
Stop Modes
Red & Green synchronous 1 blink every 1 sec
Repeat blink on/off sequence; on
Red Only time is same as off time. Emits one
series of 3 triple beeps.
2.6.7.2 Data File Status Codes
Reported Status Code in Data File Reason / Indication
1 Battery Low
2 Flow out of range
4 Change filter ticket / Sense signal out of range
8 Optical signal feedback out of range
16 Power supply 5V out of range
32 LED current out of range
64 Flash memory full
128 Automatic shutdown occurred on configured schedule
0 OK - Instrument operating within specifications
NOTE: If more than one status error code is active simultaneously, the resulting code written to the data file is
the sum of the error codes shown in the table above. For example, if the battery is low (status code = 1) and
the flow is out of range (status code = 2), the status code shown in the data file will be 3.
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Start of data storing to internal memory.
Acquiring data to internal memory.
Acquiring data to internal memory and streaming.
Data write to internal memory (1, 5 min timebase).
indicates Warning (see below)
Warning - Change filter strip
Warning - Battery low
Warning - Flow error
Startup - Beeping, Not collecting data until ready.
Idle - No Beeping, Not collecting data, Restart Req'd
Critical hardware error:
• Main supply voltage too high or too low
• Light source current too high or too low
• Light source feedback circuit error.
2.7 Upgrading microAeth
Operating System Firmware
Before upgrading the microAeth operating
system firmware, make sure that all data on the
instrument has been downloaded. After the new
firmware has been installed, the memory of the
microAeth will need to be erased.
1. Start the microAethCOM software.
2. Connect the USB cable to the microAeth and
the computer. Do not turn on the microAeth.
The microAethCOM software will show that the
microAeth is Disconnected.
AethLabs AethLabs
3. Click Options then Upgrade Firmware
4. In order to install the firmware on the microAeth,
please read and accept the license agreement.
microAeth Model AE51 Operating Manual
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