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MeshGuard User’s Guide 

 

42

8  Troubleshooting 

Failure Symptom 

Cause 

Solution 

Cannot turn on 

Battery charge too low 
 
Battery has been 
changed 
 
 
New battery needs to 
be discharged before 
use 

Replace battery 
 
Wait at least 60 
seconds to turn on 
MeshGuard 
 
Check RAE Systems 
web site for inform-
ation on batteries 

Abnormally high 
reading 

Incorrect gas 
calibration 
Sensor low sensitivity 
to calibration gas  

Recalibrate 
Replace the sensor 

“

－

0” Alarm 

Sensor zero drift 

Perform zero 
calibration 

Controller cannot 
receive the 
MeshGuard’s signal 

Too much distance 
between the 
MeshGuard and the 
controller. 
 
There is an obstruction 
between the 
MeshGuard and the 
controller. 
 
Controller does not 
receive completed data 
packet 
 
Battery is low 
 
MeshGuard and 
controller have 
different Pan ID 
numbers 

The distance should be 
300 m, line of sight. 
Deploy FFD 
MeshGuard or 
repeaters. 
 
Relocate the 
MeshGuard or deploy 
FFD MeshGuard or 
repeaters. 
. 
 
 
Press [Y/+] on the 
detector to force it to 
send data packets 
 
Replace battery 
 
Set both units to have 

Содержание MeshGuard

Страница 1: ...MeshGuard User s Guide Rev A July 2008 P N D01 4002 000...

Страница 2: ...mplies with Part15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received includ...

Страница 3: ...ming Mode 19 5 3 2 Exiting Programming Mode 20 5 3 3 Changing Values 21 5 3 4 Zero Calibration 23 5 3 5 Span Calibration 24 5 3 6 Change High Alarm 27 5 3 7 Change Low Alarm 28 5 3 8 Change STEL setti...

Страница 4: ...4 Factory Setting 38 6 4 5 Audible Visible Alarm Enable Disable 38 6 4 6 Sensor Type 38 7 Sensor And Battery Replacement 39 7 1 Battery replacement 39 7 2 Sensor Filter Replacement 40 7 3 Sensor Repla...

Страница 5: ...air atmosphere having an oxygen concentration greater than 21 Substitution of components may impair suitability for intrinsic safety Replacement of batteries only in non hazardous locations STATIC HAZ...

Страница 6: ...module It can work as a fixed device or as a portable device Its built in radio board operates on a frequency of 2 4GHz and complies with IEEE 802 15 4 standard The FTD 2000 works with the FMC 2000 wi...

Страница 7: ...wiring involved z Large area coverage with multi hop mesh network z Sensors supported H2S and CO for others consult RAE Systems z Field replaceable battery and sensor z Loud audio alarm 90dB 30cm 12 z...

Страница 8: ...shGuard User s Guide 3 Physical Description 1 2 3 4 7 5 6 1 LED alarm 2 LCD 3 Buzzer alarm 4 Sensor gas inlet 5 Battery cover 6 Y MODE and N keys 7 Antenna Not visible Optional magnetic mount on rear...

Страница 9: ...tor 3 Wireless Communication if on the monitor is in RDF if blinking the monitor is FFD 4 Short Term Exposure Limit STEL 5 Time Weighted Average TWA 6 8 High Alarm 7 8 Low Alarm 9 Gas Concentration un...

Страница 10: ...at 2 4GHz User Interface Three keys Y MODE N Power Supply D size Lithium primary battery 3 6V 19 Ah Max Current Consumption 200mA 3 6V during transmission 0 5mA 3 6V during standby Operation Time Int...

Страница 11: ...he monitor is now on as indicated by the display The MeshGuard performs a self test followed by warm up and zero calibration The display briefly shows the firmware version for example F1 0 means firmw...

Страница 12: ...if no network is found then the icon is not shown press Y to search for a network The current gas concentration reading is also displayed The MeshGuard is now operational 4 2 Turning The MeshGuard Of...

Страница 13: ...battery icon also blinks on and off The MeshGuard shuts down after you press any key or shuts down automatically if you do not press a key for 60 seconds 4 4 Wireless Communication Indicator When wire...

Страница 14: ...eal time and it can also work as a router as needed to relay data from RFD devices back to the host Note Operating the MeshGuard in FFD mode reduces battery life The interval can be changed in Program...

Страница 15: ...e in fixed or portable mode Whenever you start MeshGuard it is automatically in fixed Detection Mode which is the default The MeshGuard displays the current reading Pressing MODE steps through the Det...

Страница 16: ...nal Area Network Identifier and its value Press MODE to return to the detector reading Manually Sending Data While the MeshGuard typically sends reading data to the network on a fixed interval you can...

Страница 17: ...MeshGuard User s Guide 5 2 Detection Mode When Portable Mode Is Enabled When Portable Mode is enabled see page 32 pressing MODE steps through three more screens STEL TWA and Peak 16...

Страница 18: ...e STEL reading does not appear until 15 minutes have elapsed If the MeshGuard has not been on for 15 minutes it displays three dashes Press MODE and it displays TWA The TWA time weighted average is th...

Страница 19: ...e following actions listed in order of appearance Calibrate the MeshGuard Changing Preset Limits or Span Gas Values The menus accessed in Programming Mode are Zero Calibration Span Calibration High Al...

Страница 20: ...sing N steps you through all the screens and then returns to the first programming display Each display alternates between its name and a status message or value Note You can exit Programming Mode at...

Страница 21: ...he next menu 3 Press Y to enter The LCD displays go 5 3 2 Exiting Programming Mode You may exit Programming Mode anytime and return to Detection Mode in either of these two ways 1 Press MODE MeshGuard...

Страница 22: ...ue is shown the most significant digit flashes Change the value by pressing Y to increase it and N to decrease it Press MODE to advance to the next digit After editing the last digit press MODE A ques...

Страница 23: ...Guide Press Y for yes The message dn indicates the change is done Press N for no A no message means that the change was abandoned Press MODE to return to the first digit and continue editing values f...

Страница 24: ...alternation and ZERO is shown the MeshGuard is ready to perform a zero calibration Press Y The LCD displays go The display counts down from 10 to 0 After the countdown reaches 0 the LCD displays dn fo...

Страница 25: ...3 5 Span Calibration CAL and go flash in alternation and SPAn is shown The MeshGuard is now ready to perform a span calibration To start calibration press Y The LCD displays go The MeshGuard waits for...

Страница 26: ...ation value The MeshGuard now counts down to 0 Note The countdown time varies according to the type of sensor used in the MeshGuard After counting down and reaching 0 the LCD displays dn The reading s...

Страница 27: ...rr for error The LED glows red and the buzzer sounds to provide extra warning The MeshGuard automatically returns to the span calibration display Note To stop span calibration before the countdown rea...

Страница 28: ...CD displays the current value Change the value if necessary To change the value 1 Press Y to increase the number and N to decrease it 2 Press MODE to advance to the next digit 3 After moving to the la...

Страница 29: ...LCD displays current value Change the value if necessary To change the value 1 Press Y to increase the number and N to decrease it 2 Press MODE to advance to the next digit 3 After moving to the last...

Страница 30: ...n to Detection Mode or N to advance to the next menu The LCD displays current value Change the value if necessary To change the value 1 Press Y to increase the number and N to decrease it 2 Press MODE...

Страница 31: ...o Detection Mode or N to advance to the next menu The LCD displays the current value Change the value if necessary To change the value 1 Press Y to increase the number and N to decrease it 2 Press MOD...

Страница 32: ...rrent value Change the value if necessary To change the value 1 Press Y to increase the number and N to decrease it 2 Press MODE to advance to the next digit 3 After moving to the last digit and makin...

Страница 33: ...ixed Press Y to enter and change the setting MODE to exit and return to Detection Mode or N to go to the next menu The LCD displays the current value enabled or disabled Change the value if necessary...

Страница 34: ...disabled radio off and En means on radio on 5 3 13 Change Communication Interval This menu allows you to change the interval between wireless transmissions SET and ItUL flash to indicate that you can...

Страница 35: ...the MeshGuard turned off Press and hold Y and MODE until the MeshGuard starts The instrument goes through a brief startup and then displays dIA to indicate it is in Diagnostic Mode It then switches t...

Страница 36: ...umber Press N to advance to the next reading Press MODE and Y together for three seconds to exit Diagnostic Mode and enter Detection Mode 6 3 2 Battery Raw Count Battery Raw Count is indicated by bAt...

Страница 37: ...her for three seconds to exit Diagnostic Mode and enter Detection Mode 6 4 Diagnostic Mode Programming You can enter a special programming mode from Diagnostic Mode in order to perform advanced progra...

Страница 38: ...starting the MeshGuard while holding Y and MODE When you see the Sensor Raw Count screen hold MODE and N until you see Pro in the display indicating that you are in Programming Mode Step through the...

Страница 39: ...om RFD to FFD and vice versa 6 4 3 Join Mesh Network Press Y to initiate joining a network Three bars flash in sequence while it searches When it is done it alarms once and displays dn for done 6 4 4...

Страница 40: ...and open the battery cover by turning it counterclockwise 2 Remove the battery 3 Insert the new battery with its positive pole towards inside of the unit 4 Replace the battery cover by turning it clo...

Страница 41: ...Use the 3 pin end of the tool to unscrew and open the filter holder by turning it counterclockwise Filter Filter holder 2 Remove and discard the filter 3 Place a new filter inside the monitor 4 Replac...

Страница 42: ...sor out 4 Gently push a new sensor into the compartment Important Ensure that the RAE Systems part number matches the sensor that was removed WARNING Use only the same sensor model as the one installe...

Страница 43: ...brate Replace the sensor 0 Alarm Sensor zero drift Perform zero calibration Controller cannot receive the MeshGuard s signal Too much distance between the MeshGuard and the controller There is an obst...

Страница 44: ...r or reader Perform the network searching function in diagnostic mode Move the MeshGuard close to a working controller or reader and Press Y Replace battery Others Turn MeshGuard off and on again Cons...

Страница 45: ...hGuard User s Guide TWA TWA setting 1 beep per second STEL STEL Setting 1beep per second Zero Drift 0 ppm 1 beep per second Battery Low 3 2V 1 beep per minute Battery Exhausted 3 1V 1 beep per second...

Страница 46: ...TATIC HAZARD Clean only with a damp cloth For safety reasons this equipment must be operated and serviced by qualified personnel only Read and understand instruction manual completely before operating...

Страница 47: ...thod uses a specially designed stainless steel enclosure that is permanently mounted It protects the MeshGuard from damage in industrial settings 11 1 Magnet Mount Installation Magnet For Mounting Mes...

Страница 48: ...r reinforced holes in the rear of the enclosure allow for a screw to pass through to the mounting brackets Mounting Holes Side View Front View Sensor Cover The enclosure can be mounted to a vertical o...

Страница 49: ...ole Loosely assemble the clamp parts around the pole Note that the screws have nuts that fit into the clamp parts The clamp parts are designed to hole the nut so that you do not need to use a wrench H...

Страница 50: ...r of the enclosure 4 Insert the hex screw into the cover s locking portion and tighten it 5 The MeshGuard is now ready to use 1 2 3 4 5 Note The sensor cover on the bottom of the enclosure can be remo...

Страница 51: ...sure instead of the clamps This approach provides the protection of the enclosure with the ease of installation afforded by the magnetic mounting 1 Insert screw through magnetic disc 2 Place the magne...

Страница 52: ...Systems World Headquarters 3775 N First St San Jose CA 95134 1708 USA Phone 408 952 8200 Fax 408 952 8480 E mail customerserv raesystems com Web Site www raesystems com Rev A July 2008 P N D01 4002 0...

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