Teledyne 8800P Instruction Manual page 18

9. Special messages, warnings and error indications
DISPLAY

LO

HI

%





LO
TEMP

HI
TEMP



Trying to calculate dewpoint for undefined sensor.
Viewing dewpoint while sensor is in desiccant dry -


Prompting to pul l out the sensor from desiccant to

Sen sor reading is ' too' lo w to be from a saturated





Legend: denotes a beeping accompaniment to the message.
denotes alternately flashing messages.
EXPLANATION
PROM check sum failed.
RAM write/read test failed.
Unidentified power-up failure.
EEPROM C heck S um F ailed.
A/D converter failure.
Ref erence voltage for A/D out of spec.
Lo w bat tery voltage.
Instrument lo w temp erature rang e
has been exceeded.
Instrument hi gh temp erature rang e
has been exceeded.
Sensor circuit is open .
Sensor is sat urated.
Sensor circuit is shor ted.
storage.
Trying to calibrate an undefined sensor.
perform autocal.
sensor, for autocal.
EEP ROM write cycle not completed.
Attempting to modify a loc ked unit.
Sensor is neither in nor out of desiccant.
Turn on message, Xen taur ( Greek
Turn off message, good- bye .
check sensor. wetup sensor to see if it will
a reminder that the dewpoint in the desic-
;
=X)
page 16
REQUIRED ACTION
cycle power / replace battery,
if problem persists,
return to your representative
for service.
replace battery.
make sure that the unit is at a
temperature of -10°C to +50°C.
react
dry down the sensor.
check sensor.
select sensor and autocal.
cant is being measured.
see autocal instructions.
if this persists, return for service.
unlock unit, see set-up mode.
pull out or push in the sensor actuator