Citizen D710 Instruction Manual page 95

Problem Possible Cause
Slow in As more and more flash
switching memory is used, slightly more
modes time may be required for the
watch to switch modes and
call up log data.
"CHK" remains The water sensor continues
displayed for a to be activated due to the
long period of presence of sand, debris,
time perspiration or other matter
on the water sensor.
"FILE" remains The amount of available
displayed space in flash memory is low.
The watch is insufficiently
charged and the ambient
temperature is low.
* The file error warning may be
activated if the ambient
temperature becomes low while
the watch is insufficiently
charged.
Flash memory error.
"ERR" remains There is an error in the
displayed for a pressure sensor. ("ERR" may
long period of be displayed at high-altitude
time locations of 3,000 m (10,000
• "ERR" is ft) or more above sea level.)
displayed when
using the watch
on land (excluding
high altitudes at
3,000 m (10,000 ft)
or more above
sea level)
• "ERR" continues
to be displayed
for a long period
of time after
completion of
diving
Corrective Action
Perform the garbage collection
procedure in the system
monitor mode of the standard
mode. When a large number of
diving logs are stored in the
watch, although slightly more
time may be required to call up
the display, this is not a
malfunction.
After rinsing off any debris
around the water sensor with
water, carefully wipe off any
excess moisture with a dry
cloth.
Perform the garbage collection
procedure in the system
monitor mode of the standard
mode
Sufficiently charge the watch by
installing on the charger or
communication unit.
Format the flash memory in the
system monitor mode of the
standard mode. If the problem
is still not solved, consult the
Citizen Service Center.
Discontinue using the watch
and consult the Citizen Service
Center.
Reference
"Using the
Standard Mode: 7.
Using the System
Monitor Mode"
"Warning
Functions"
"Warning
Functions"
"Using the
Standard Mode: 7.
Using the System
Monitor Mode"
"Warning
Functions"
"Charger: 3.
Charging the
Watch"
"Warning
Functions"
"Formatting Flash
Memory"
"Warning
Functions"
95