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5. ERROR MESSAGES:
ERR1: No sensor installed:
The unit does not recognize a valid sensor and it will chirp at one second
intervals as long as the unit remains powered on. Turn the unit off. Check to
make sure a Quest sensor module is in place. If there is a sensor in place, try
replacing it.
ERR2: Memory error:
The unit's self test detected a problem with the memory. Press the on/off
key to continue the unit's startup sequence. Print the unit's data if desired
then reset the memory.
ERR3: New sensor installed and/or sensor not calibrated:
This error message acts as a warning message that the sensor has been
changed. Press the on/off key to continue the unit's startup sequence. Zero
and calibrate the sensor prior to use.
ERR4: Can not zero:
Make sure the environment contains clean air and the measured gas is not
present. If the sensor is new, make sure it has been installed under power
long enough to stabilize. If the sensor is old, try replacing it.
ERR5: Can not calibrate:
Make sure the calibration gas cylinder is turned on and that it is the correct
gas for the sensor being calibrated. Check the concentration of gas in the
cylinder and make sure it matches the unit's calibration level setting. If the
sensor is new, make sure it has been installed under power long enough to
stabilize. If the sensor is old, try replacing it.
FULL: Memory full:
This message may appear during a session run or when putting the unit in
the run mode. It indicates that the 60 hours of logging memory is full. When
"FULL" appears in the display, press the on/off key to acknowledge the
message and stop the alarm's chirp. The unit will continue to operate in a
non-datalogging mode. All other measurements, computed values, and
alarms will continue to function normally. Reset the memory prior to the
next session to avoid this message.
DEAD: Dead battery:
When the battery voltage drops below the usable range, "dEAd" appears in
the display, the buzzer activates for approximately 25 seconds, then the unit
turns itself off. The 9 volt alkaline battery must be replaced prior to the next
use. The on board lithium battery maintains the memory during this process.
6. CHANGING THE BATTERY
Note:
While the case is open the unit is not intrinsically safe. Perform this
operation in a non-hazardous area.
While the unit is turned off, turn the unit upside down and squeeze the two
red slides together and pull out from the unit. Replace the battery with a
new 9 volt alkaline battery. A new 9 volt alkaline battery has a life
expectancy of over 100 hours. The unit will automatically turn on when the
new battery is installed. If the old battery was dead or if the unit has been
without power for more than several minutes, then the sensor will require a
stabilization period, perhaps as long as 24 hours with some gases. (The unit
does not need to be turned on during the stabilization period). After
changing the battery, remember to zero and calibrate before entering a
hazardous area.
Approximately 8 hours of usage remain from the time the BAT annunciator
first appears in the display. As a safety precaution, it is recommended that
the battery be replaced as soon the BAT annunciator is first noticed.
If the battery is inadvertently removed while the unit is turned on and in the
run mode, the current session is closed and saved in memory. Inserting a
new battery and then entering the run mode begins a new session.
The following alkaline batteries are recommended for intrinsically safe use
of the SafeLog 100:
Eveready Energizer, No. 522, Alkaline
Eveready Energizer Industrial Alkaline, No. EN22
GP Alkacell, Alkaline, No. 1604A
Kodak Supralife Alkaline
Panasonic Alkaline, Industrial use, No. 6AM6X
Procell (Duracell) Professional Alkaline, No. PC 16094
Radio Shack Energy Plus Alkaline Enercell, No. 23-553
Rayovac Alkaline Maximum, No. A1604
Sanyo Alkaline, No. 6AM69V
Varta Alkaline Extra Longlife, No. 4022, E-Block, 6LR61, 6AM6,
MN 1604
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