35
5. Consumable Replacement
Filter Element Replacement
Replace the filter elements with new ones if they are dirty or wet. If water is present inside the
drain filter or filter case, remove the water and clean the drain filter or filter case.
■
When using the gas sampling tube (1m)
(1) Remove the filter case from the drain filter.
(2) Remove the O-ring from the filter case by
using a small screwdriver, etc.
(3) Replace the filter element with a new one.
Install the filter case to the drain filter.
If required, remove the cap from the probe
nozzle side and clean and dry the inside of the
drain filter and the cap with a dry cloth.
■
When using the gas sampling tube (8m)
(1) Pull and remove the two floats from the drain filter.
(2) Rotate the filter case (2 places) counterclockwise to separate it from the drain filter.
(3) Remove the O-ring from each filter case by using a small screwdriver, etc. If water is
present inside the case, remove it with a dry cloth, etc.
(4) Replace each filter element (2 places) with a new one. Reassemble the floats and drain
filter.
Do not to damage or strike the filter elements with a finger etc. Damaged filters
may impair their waterproof performance.
NOTE
If water enters the gas sampling tube or gas detector, proper gas detection is
not possible. Contact us for repair.
WARNING
Filter case (x2)
Filter element
O-ring
Floats (x2)
(1) (3)
(2)
Filter case Drain filter
Cap
Drain filter
Filter element
O-ring
34
4. Notifications/Error Messages on Display
If an error is detected, the corresponding notification/error message will be displayed on the
LCD accompanied by beeping. The table below lists major notifications and messages. If a
notification or error message is displayed on the LCD, follow the instruction displayed.
(Refer to page 8 for the optional alarm unit’s operation in the event of an error.)
If no notification/error message is displayed but buttons or display do not function, remove the
batteries, reinstall them, and power cycle the unit. If normal operation does not resume, contact
New Cosmos or your New Cosmos representative for repair.
● Notifications
● Error messages
Notification on display
Solution
O2 sensor life expired.
Replace O2 sensor.
The oxygen sensor’s life has expired. If the sensor is continued to be
used, improper gas detection will result. Immediately call for sensor
replacement.
**LOGGER STOPPED**
Memory full.
Data logging stopped.
Log memory is full. Use an XP302ML data logger kit (sold
separately) to save the log data in a pc. Refer to page 22 for
log clearance procedure. Once all logs are cleared, data
logging can be resumed.
**LOGGER**
Cannot start data logging.
Set the clock.
Because the clock has stopped, data logging cannot start.
Adjust the clock (page 25), then restart data logging.
Error message on display
Solution
Zero Adj. Fail
Operate the detector in clean air for approx.10 minutes, then press the
ZERO button for 2 seconds for zero adjustment. If the unit does not reset
to normal, power cycle the unit. If normal operation does not resume,
contact us for repair.
**
[
E10
]
**
SENSOR ERROR
**
[
E01
]
**
RTC ERROR
RTC (Clock IC) fails. Contact us for repair.
SENSOR ERROR
Operate using remaining
active sensors?
- Pressing the ZERO button for 2 seconds starts zero
adjustment on the active sensors. When the zero adjustment
is completed, the screen returns to the gas concentrations
screen.
- Pressing the MENU button returns to gas monitoring mode
while keeping sensor error. Keep operating the unit in clean
air for approx.10 minutes. If the unit does not return to
normal, power cycle the unit. If normal operation does not resume,
contact us for repair.
Pump stopped.
Low flow rate
Check sampling tube and
filters.
Possible twisted/bent gas sampling tube, water intake, or probe
nozzle tip blockage. Remove any water from inside the unit
(page 35). Remove the cause (straighten the tube, remove
water, and remove any blockage in the nozzle tip). Press the
ZERO button for 2 seconds to reset the unit. If the unit does
not reset to normal or water is present in the gas sampling tube
or gas detector, contact us for repair.
**LOGGER STOPPED**
Memory fail.
Data logging stopped.
Abnormality with the log memory is detected. All the logs need
to be cleared (formatting) before use after delivery (page22).
Clear all log data. If normal operation does not resume, contact
us for repair.