37
Error Messages
Error message
on screen
Error condition
Possible cause
Action
Detector error
Detector may be
broken
Remove the batteries,
reinstall them, and turn on
the unit. If the unit does
not reset to normal,
contact us for repair.
Alarm may activate
while log data is
being read out
Turn off the unit, and then
turn it on again. Perform
log readout in clean air.
*The alarm light
may blink red
during the over
range condition,
because the upper
limit of the service
range is usually
above the alarm set
value
Over-range
condition
The gas
concentration value
is replaced by the
term “OVER
RANGE” for the
corresponding gas
The upper limit of
the service range is
exceeded
This is not a failure. The
display will return to
normal (return to HOME
screen), if the gas
concentration falls below
the upper limit.
If “OVER RANGE” is
displayed while in clean
air, contact us for repair.
Log error
Log data cannot be
saved correctly
Contact us for repair.
Log memory full
Data log capacity is
full
Delete the log data.
For the deletion
procedure, see E-3 “Log
deletion” on page 29.
Pressing or holding any
button while “Log Memory
Full” is displayed returns
the screen to the previous
screen.
Recovering
Impact to the
product by dropping
or bumping may
cause a temporary
battery voltage sag
Wait for 10 seconds for
recovery.
