4-15
ALARMS
Follow the instructions as displayed, i.e.
- Check the ow path
- Remove the blockage
- Acknowledge the alarm
To acknowledge ow fault alarm:
• Press and hold ‘ACK’ (Bottom Button) for one
second.
4.5.6 MEMORY FAULT (Calibration /
Conguration)
During warm-up, if the ‘Calibration Required’ screen
is displayed as illustrated in Fig. 4-12, the instrument
has detected a calibration / conguration memory fault
and is unable to continue without re-calibration and / or
conguration set-up.
Fig. 4-12 Calibration / Conguration Memory Fault
The instrument must be returned for service.