Code Alert text Severity Description
1501 Hardware clock time lost Warning Hardware clock of the DGA monitor
has incorrect time. Set new time or
enable time sync in the Settings >
General page.
If this error reoccurs, consider
changing the backup battery of the
real-time clock. Contact Vaisala
support for help with changing the
backup battery.
1502 Unable to read measurement
module calibration file
Warning The system is unable to read the
calibration file of the optical
measurement module. DGA
monitor continues measuring
without the optical measurements.
Contact Vaisala support.
2099 Measurement cycle fault Error If the DGA monitor has a serious
hardware problem or cannot
measure due to some external
cause, it will automatically stop
trying to run the measurement
cycles. See Resolving measurement
cycle fault (page 88)
2102 Oil inside cabinet Error The float sensor inside DGA
monitor cabinet is activated,
indicating a possible oil leak. It is
recommended to check the device
right away. Inspect inside the DGA
monitor and oil lines to determine
the cause of the error, and remove
it if possible.
This error may appear if the
measurement has not been started
with DGA monitor in an upright
position. Install the DGA monitor in
an upright position and perform the
initialization to clear the error.
2112 Excess gas in the system Error There is excess gas in the
measurement system, and the DGA
monitor is unable to safely dissolve
the gases back into the oil.
You must bleed the excess gas from
the system to resume normal
operation. See Bleeding DGA
monitor (page 90).
OPT100 User Guide M211858EN-U
86
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