RKI Instruments GD-K77D - Manual (Page 27)

Model GD-K77D Operator’s Manual Operation • 22
Zero Suppression
During Detection Mode, the display indicates “0” if the reading is below +6% of full scale.
During Detection Mode, the display shows readings above +6% of full scale.
“-0.00” displays when the reading falls below -10% of full scale.
WARNING: When the display shows a “-0.00,” adjust the zero reading as
described in the calibration section of this manual.
Trouble Conditions
The following table shows the possible trouble conditions that may occur:
Table 3: Trouble Conditions
Display Condition
E-00 System Fault
E-01 Sensor Disconnected
E-04 Zero Suppression Trouble
E-05 Low Flow Alarm
LED indication Display indication
0. 0 0
PW/TR ALM1 ALM2 SKIP
LED indication Display indication
0. 0 6
PW/TR ALM1 ALM2 SKIP
LED indication Display indication
0. 0 0
PW/TR ALM1 ALM2 SKIP