GMI PS500 - Calibration Expired; Service Required

3-13
ALARMS
3.4.6 Calibration Expired
During normal operation if the calibration date has expired, a
“CAL DUE” warning message will ash on the display every
30 seconds.
Fig. 3.12 Calibration Expired
3.4.7 Service Required
During warm-up, if the “SERVICE REQUIRED” message is
displayed and an audible alarm and Red LED’s are activated,
the instrument has detected an internal fault.
Fig. 3-13 Service Required
The instrument must be switched off.
Follow appropriate action required by your company for
service.