Power Soak 37099 PS-201 Owner's Manual - Manual (Page 24)

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Prior to calling, please note the “Error Code” (if any) that can be identified
by observing LED #2 on the UPM. If there is a control logic error, LED #2
will flash with a “blinking” pattern. The definitions for the patterns are as
follows:
Please have this “Error Code” information available prior to calling Power
Soak Systems.
“_“ symbol represents a “long” flash
“.” symbol represents a “short” flash
3 long & 1 short _ _ _ . = Liquid Level Error
3 long & 2 short _ _ _ . . = Temperature Sensor Error
3 long & 3 short _ _ _ . . . = Over-Current Error
3 long & 4 short _ _ _ . . . . = Over Temperature Error
3 long & 5 short _ _ _ . . . . . = Current Sensor Error
3 long & 6 short _ _ _ . . . . . . = Membrane Error