Warning messages
General information
A WARNING message indicates that the operation of the OSCD or the Harmonic Filter is affected in
some manner, but the OSCD is still functioning.
Warning messages
Table 5: Warning messages
Warning
Description
Warning - Vanes Uncalibrated - Fixed
Speed
This message is displayed when the Pre-Rotation Vanes are not calibrated or have
failed to calibrate, and the OSCD is enabled. Under this condition the OSCD will
run at a constant maximum speed. This message will no longer appear after a
successful calibration.
Warning - Harmonic Filter - Data Loss
FILTER - DATA LOSS
This message is displayed if the communications link between the OSCD logic, and
the harmonic filter logic, or the ACC boards are interrupted for at least a period
of 20 seconds. This message can also occur as a background message when the
chiller is running. When this message is displayed all harmonic filter related values
are replaced with Xs. If communications is re-established, the mes- sage will
disappear, and normal values will again be displayed.
Warning - Harmonic Filter - Operation
Inhibited
FILTER - OPERATION INHIBITED
This message is displayed when the function of the Harmonic Filter is inhibited
at the Control Center. This message is no longer displayed when the function of
the Harmonic Filter is enabled at the Control Center. The function of the harmonic
filter can only be inhibited or turned on when the chiller is not running.
Liquid-Cooled OptiSpeed Compressor Speed Drive
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