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Special operating states
Segment test for display This is performed automatically
each time the device is switched ON.
Supply voltage:
below 7 volts:
symbol lights up
BAT
below 6 volts:
1:L o b A t
Checksum error during
device calibration:
Non-connected sensors,
deactivated measuring points,
deleted programming values:
Non-permitted measuring range:
Sensor correction or scaling
CORR
arrow lights up
Measuring point scan in progress
START
arrow lights up
Averaging in progress
arrow lights up
M
Measuring point scan with output
COM
arrow lights up
Function selected
F
arrow lights up
If all functions are activated, the
F
arrow flashes
Malfunctions
Malfunctions are displayed as follows and trigger an alarm;
(see Manual, Section 6.3.9):
Sensor breakage:
flashes
1: N i C r
°C
Limit value exceeded:
ALARM
arrow lights up
Measuring range overshot:
Maximum value flashes
Measuring range undershot:
Minimum value flashes
Measuring range undershot for cold junction compensation,
or measuring without external cold junction compensation,
or cold junction compensation breakage
flashes
Values range overshot (>65000):
flashes
1:6 5 0 0 0
C A L E r r
1:
- - - -
X
X
1: E r r
1: C J
16
ALMEMO
®
8390-2
Display and keypad
1: C J