20
10. Special messages, warnings and error indications
DISPLAY EXPLANATION REQUIRED ACTION
Lo Err
PROM check sum failed
Power on tests
Cycle power / replace battery
If problem persists,
Return to your representative
For service
HI ERR
RAM write/read test failed
% ERR
Un-identified power-up failure
C.S.F/
EEPROM Check Sum Failed
ERR/AD
A/D converter failure
System tests
once per 2 min
ERR/REF
Reference voltage for A?D out pf spec
LO/BAT
Low battery voltage Replace battery
LO RNG/
TEMP
Instrument low temperature range has been exceeded
Make sure that the unit is at a
temperature of -10˚C to +50˚C
HI RNG/
TEMP
Instrument high temperature range has been exceeded
OPN/
Sensor circuit is open
Dewpoint displays tests
Check sensor, wetup sensor to see if it
will react
SAT/
Sensor is saturated Dry down the sensor
SHR/
Sensor circuit is shorted Check sensor
…
Trying to calculate dewpoint for an undefined sensor Select sensor and autocal
DRY
Veiwing dewpoint while sensor is in desiccant dry storage
A reminder that the dewpoint in the
desiccant is being measured
DB
Trying to calibrate an undefined sensor
Autocal tests
See autocal instructions
PUL/OUT
Prompting to pull out the sensor from desiccant to perform
autocal.
SEN/2LO
Sensor reading is too low to be a saturated sensor, for autocal
ERR/EEP
EEPROM write cycle not completed
miscellaneous
If this persists, return for service
LOC
Attempting to modify a locked unit Unlock unit, see setup mode
IN.-/OUT
Sensor is neither in nor out of desiccant Pull out or push in the sensor actuator
XEN
Turn on message COSA XENTAUR (Greek “Ξ” = “X” )
BYE
Turn off message, good-bye
Legend:
denotes a beeping accompaniment to the message.
/ denotes alternately flashing messages.
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