User Manual - Air
Contents
1. ccesseeeeeeeneereees 16 Setting the Weight Units eects eeeteeereeeeeaeaees 16 Show or Hide Information from the Display Screen 17 Troubleshooting Your SCale ssseccsssseeesseeeeesseeeesssseeesseeeeenes 18 Navigating the Diagnostics M nu cesses eeteteeeeteeeteteeeeneeeeaes 18 Weight Readings Are INA CCUrate ee seeeecceeeeeeeeceeeseseeeeeeeneetatrens 20 Weight Readings FIUCtUate ce ceeeeeteeceeeeetenteeceeeeeaeeesaeeereaeeneaees 21 Weight Readings Do Not Change ccccecsceeseseeeeeeserseeneeetees 22 Weight Readings Are Always O sssssssiseseiisersrssieirsererineerinieeesiseeenss 23 scale Won t TUM Ofarin noniine dian anim dein 24 What to Do if you Forget Your PIN ssesssesesireersssueesrserereneeesaraeennsenenas 25 Error COd6S iciiciwaraie aii anawandesi ai N 26 Limited VAR AIC vs iisinasnnninancsianaunnencacadeddssnnstnbandencdsandacswindaanniadnianes 27 Procedure For Warranty Claims ccccsssecesseeeeeseeeeeeeeeeeeneenees 28 LoadMaxx Trailer Overview Navigating the Menu Section 1 LoadMaxx Trailer Scale Overview LoadMaxx Trailer is a weighing system for semitrailers and full trailers The scale works using sensors that measure air pressure changes in the trailer s suspension it then converts those numbers into weight The weight is displayed on the LoadMaxx trailer display LoadMaxx displays weight per axle group Weights are accurate to within 300 pounds 140 kilograms2. Air Weigh On Board Truck and Trailer Scales LoadMaxx NU Esc ENTER A A Air Weigh LoadMaxx Trailer Scale User Guide PN 901 0131 001 RO Contents LoadMaxx Tractor System OVErVieW cccseeeseteeeeeseeteeseeteneeee 1 Navigating the Scale MCNu cceceseseeeeceeeeeteteeeceeeeeaeeeecaeeesaeneeeaees 1 Calibration na a a Na AERAN a S 2 Collecting and Entering Weight Data ceeeseeteteeeeteereteneerenees 2 Calibrating with Pre Calculated Calibration Data eee 5 Table 1 Pre Cal SUSPENSIONS eceeeeeeeeeeeeeteeeteeteeeeees 6 Check Weigh Worksheet sesseesssssesssreuersneeusnsnensnnenenaneensnsnes 7 Adjusting a Calibration ceccceseceeesereeeeeeeserseersaeieeeseeecieeneasenereaees 8 Using LoadMaxx Trailer Scale sccsssecsssseecessseeessseeeesseeeeeans 9 Weighing Your LOAG 2 s 142 54 irene chen tin di Gainer eee 9 oeta PIN ece atin ananinden aia aetna aia idee 10 Assigning a Traller D iisccnaaiadenwniaanaiina cai aaradaiaca 11 Installing and Activating Overweight Alarms ccceeseseeeeeeees 12 Installing Alarms esencon a 12 Activating Alarms ennan 13 Setting a Warning Weight cecceseeseeseeeeeeeeeeeeeeenees 13 Setting an Alarm Weight cecseeeeseeeeeseeeeeeeeeeerenees 13 Changing the Model NUMDED cecceeceseeeeeceeeeeteteeeceeeeeaeeeeeaeeneaeas 15 Changing Display Features cecceeetseeseeeeeeteeeceeeeaeeeesaeeneaeaees 16 Changing the Display Language
3. 18 Troubleshooting Navigating the Diagnostics Menu e ALARM OFF or ALARM ON tells you whether the alarm feature is currently activated e ALARM WT and WARN WT show the weights at which you have programmed the alarm and warning to go off These menus will display no information if no alarm or warning weights have been set e ALM STOP will inform you if your alarm has gone off and has been stopped by a user by pressing ESC e TYPE shows the type of trailer you have programmed the scale to work with AXLE WT PAYLOAD or FULL TRAILER e MODEL shows the model number of the trailer scale e VERSION shows the version of the software used on the trailer scale e SERIAL shows the unique serial ID of the trailer scale e ASSIGMT shows whether you have assigned the trailer as A B C D or none e PRESSURE shows a PSI reading of your air bag s 19 Troubleshooting Weight Readings are Inaccurate Weight Readings Are Inaccurate Inaccurate weight readings could indicate a variety of problems including incorrect calibration a problem with your cables broken air bags on your suspension or an incorrect model number Follow the steps below to troubleshoot for potential causes of inaccurate weight readings 1 Make sure you are weighing your load on level ground with all brakes off Weighing on a slope can cause inaccurate weight readings 2 Go into the diagnostics menu instructions above under Navigating the D
4. and all wires are unbroken 3 Test the power and ground circuits using a voltmeter There should be at least 9 5 volts of power entering your system 4 Ifyou identify a break in the circuits or there is a lack of power or if there is full power but the scale still will not turn on call Air Weigh Support for further assistance What to Do if you Forget Your PIN 24 Troubleshooting Forgot PIN If you forget your PIN please call Air Weigh Support All scales are programmed with a manufacturer s PIN that Support can access to help you unlock your scale Error Codes 25 Troubleshooting Error Codes The following table includes all error codes for LoadMaxx Trailer Note that they can occur in combination and will be displayed together if more than one error is present for example CS12 would indicate no communication with the tractor a bad or missing sensor and problems with sensors 1 and 2 Code Problem Solution E EEPROM error Memory failure contact Support ie and send to Air Weigh for repair C No communications Will appear until tractor is found K D Bad or missing check connectors and cabling to S fia pem re n Check connectors and cabling to sensors Make sure sensors are working correctly Make sure the model number is correct and reflects the number of sensors installed 26 Limited Warranty 27 Limited Warranty For product failures due to material or manufacturing defects Air Weigh wil
5. train setups it is a good idea to assign each trailer scale a specific trailer ID Trailer IDs appear on the tractor scale display as letters A through l we recommend that you assign the axle closest to the front of the tractor as Trailer A To assign a trailer number follow the instructions below 1 From the main menu press VW until the screen reads PROGRAM Press ENTER 2 Press Y until you reach TRAILER Press ENTER 3 The screen will read ASSIGN A The A will be blinking Use A or to select the trailer number A through Press ENTER to select the desired letter The screen will read ACCEPTED 11 Using LoadMaxx Trailer Installing and Activating Alarms Installing and Activating Overweight Alarms The LoadMaxx trailer scale includes an alarm output You can choose to provide your own alarm lights or buzzers to connect to the system If you set the alarm feature without installing external lights or buzzers the display screen will still flash when your trailer is loaded to the alarm weight Each alarm output can be programmed with a warning weight and an alarm weight At the warning weight the alarm will flash at the alarm weight the alarm will light up or sound steadily When an alarm lights up or sounds you can deactivate and reset the alarm by pressing ESC once from the weight display screen This will cause power to stop flowing to the alarm output wire Once the weight falls below the programmed alarm weight t
6. wire inputs does not produce an A D reading in the high 3000s call Air Weigh Support for further assistance 22 Troubleshooting Weight Readings are Always 0 Weight Readings Are Always 0 If your axles are consistently reading a weight of 0 this could be a problem with your calibration data Follow the steps below to troubleshoot for potential causes 1 Go to the diagnostics menu and access A D READINGS If the reading is 409 the scale is not registering weight 2 Check the continuity of the sensor cables Unplug them at the sensor Go to the diagnostics menu and access A D READINGS Short out the red and green wires while viewing the active A D readings When shorted an accurate display will be in the high 3000s If this is not the case perform the same check at the sensor connection at the end of the trailer interface cable and the connection between the scale and the cable 3 If shorting out the red and green wire inputs does not produce an A D reading in the high 3000s call Air Weigh Support for further assistance Scale Won t Turn On 23 Troubleshooting Scale Won t Turn On If your scale won t turn on this could be a problem with the power supply Follow the steps below to troubleshoot for potential Causes 1 Check your power supply Check to make sure the power cable is securely plugged in and all wires are unbroken 2 Check the back of your display to make sure the wire harness is securely plugged in
7. ads PROGRAM Press ENTER 2 Press Y until you reach SETUP Press ENTER 3 Press W until you reach LANGUAGE Press ENTER 4 Use AorYto select either ENGLISH or SPANISH Press ENTER to save your selection The screen will read ACCEPTED Setting the Weight Units LoadMaxx trailer scale displays weights in pounds by default If you prefer to see weights in kilograms however follow the instructions below to change the weight units used to display weights 1 From the main menu press WV until the screen reads LBS KGS Press ENTER 2 Use AorVio select either POUNDS or KILOGRMS Press ENTER to save your selection The screen will read ACCEPTED 16 Using LoadMaxx Trailer Changing Display Features Show or Hide Information from the Display Screen By default LoadMaxx trailer displays how to weigh instructions in rotation with the display screen You can choose to hide this information by following the steps below 1 From the main menu press Y until the screen reads PROGRAM Press ENTER 2 Press Y until you reach SETUP Press ENTER 3 The screen will show INSTRUCT Press ENTER 4 Use AorYto select either NO to hide the how to weigh instructions or YES to display the instructions Press ENTER to save your selection The screen will read ACCEPTED 17 Troubleshooting Navigating the Diagnostics Menu Section 4 Troubleshooting Your Scale If you are having difficulty with your scale please refer to the section
8. and are displayed in 20 pound or 20 kilogram increments If you are using LoadMaxx Trailer in conjunction with a LoadMaxx Tractor scale the trailer weights will also display in the truck cab Data is transmitted through the existing J560 cable so you will not need to install a special tractor trailer connection You can also use tractor and trailer scales with drop and hook setups Navigating the Scale Menu To turn the scale on or off press POWER from any screen To reach the main menu press MENU from any screen To go back push the ESC key to revert to the previous screen Any unsaved changes will be erased if you press ESC To select a menu item use the up or down arrow keys A or Y to highlight your chosen menu item The item will blink when it is highlighted Choose ENTER to select the blinking item To save a change Press the ENTER key To enter a numeric value use the up or down arrow keys A or Vio select the correct number Press ENTER to save your value Calibration Collecting and Entering Weight Data Section 2 Calibration You must calibrate your scale before you begin using LoadMaxx to provide weight readings otherwise you will not see accurate weights Once you have calibrated your scale and it reads weight accurately you will not have to recalibrate unless your suspension changes in some way In most instances we recommend that you calibrate your scale manually to provide the most accurate weight readings How
9. ar axle If you have a lift axle on your trailer make sure that it is LOWERED while you are measuring axle weights 4 Park on level ground Leave your engine running Release all brakes including trailer brakes Leave the Load Max WW GI GJ U g N vehicle in neutral 6 If possible deflate the trailer WEIGHTS suspension for 5 to 10 rome mm me meme Cop A seconds then re inflate to factory ride height Fig 1 Main Menu 7 Enter the heavy weight into the scale LoadMaxx e Press POWER to turn on PROGRAM the scale display e Press MENU to get to the main menu which will read EAU WEIGHTS initially Fig 1 Press V until the screen Los aM laxe ma roos uas exe vores vy 4 reads PROGRAM Fig 2 Press ENTER CALBRATE e Your screen may flash with rome wu esc G NO PIN If so it should disappear within a few seconds and the screen should read CALBRATE Vilas oaae Fig 3 Press ENTER LO a e The screen should read a SUSPNSNS 7 SUSPNSNS Fig 4 Press DIDDY Y until it reads HEAVY WT Press ENTER Fig 3 Calibrate Fig 4 Suspensions Calibration Collecting and Entering Weight Data e The screen will scroll the following message Enter heavy weight with trailer heavy If you are calibrating a semitrailer after a few seconds the screen will show a flashing weight Use Aor to enter the heavy weight and press ENTER If you are calibrating a full trailer
10. der the express direction of Air Weigh Support Please call Support before making any changes to your model number Your model number determines the setup of your trailer how many sensors are installed and whether the trailer is a semitrailer or a full trailer Select the number of sensors and whether you are using the scale with a semitrailer or a full trailer 1 From the main menu press V until the screen reads PROGRAM Press ENTER 2 Press Y until you reach SETUP Press ENTER 3 To select the trailer setup press Y until you reach TYPE Select from AXLE WT PAYLOAD or FULL TRAILER Press ENTER to save your selection The screen will read ACCEPTED 4 To select the number of sensors press ESC once so the screen reads TYPE once again Press Y until you reach SENSORS Select from 1 SENSOR 2 SENSORS 1 NON AIR or 2 NON AIR Press ENTER to save your selection The screen will read ACCEPTED 15 Using LoadMaxx Trailer Changing Display Features Changing Display Features The LoadMaxx trailer scale allows you to change various display options to personalize the scale and make it more useful Changing the Display Language The standard models of the LoadMaxx Tractor system will display in English or Spanish models that display in French and German are available upon request from our Sales department To change your scale s display language follow the instructions below 1 From the main menu press V until the screen re
11. eigh product In the event Air Weigh requests to examine the product prior to disposition OR for repair or replacement Air Weigh requires a Return Material Authorization RMA number be issued before the item is returned Customer Support will issue the RMA number Please reference this RMA number in all correspondence Claimed items shall be shipped freight pre paid to Air Weigh Customer Support Department 1720 Willow Creek Circle Suite 510 Eugene Oregon 97402 USA The Air Weigh RMA number must appear on the outside of the return packaging Air Weigh shall examine returned material within 30 days after receipt or sooner if mutually agreed upon If Air Weigh determines that the part or assembly was defective in material or workmanship and within the warranty period Air Weigh will repair or replace the part or assembly and return freight pre paid In the event Air Weigh determines that the part or assembly cannot be repaired or replaced and is within the warranty period a credit not to exceed the purchase price will be issued to the Air Weigh customer For our customers using purchase orders Air Weigh will process a credit memo and notify the customer by email or fax The customer will process a corresponding debit memo and notify Air Weigh accordingly If the part or assembly received by Air Weigh does not meet the requirements of the warranty program set forth above at the Air Weigh customer s request the part or assembly will ei
12. er Calibration If this does not solve the problem you may have a leak in your suspension system Contact Air Weigh Support if you need further assistance 21 Troubleshooting Weight Readings Do Not Change Weight Readings Do Not Change 1 Go to the diagnostics menu and access EMPT A2D and HVY A2D If the empty and heavy A D readings are the same the scale has been calibrated incorrectly Re calibrate your scale following the procedures under calibration 2 Check to make sure the sensor was installed on the correct airline Go to the diagnostics menu and access A D READINGS Empty your leveling valve and confirm the A D readings drop as air is released and rise as the system re inflates If this is not the case check the airlines to make sure the sensor s is are installed on the line s with the height control or leveling valve 3 Ifthe scales have been working properly for several months or longer prior to this problem there may be a short between the red and green wires on the sensor cable To check sensor cables unplug them at the sensor Go to the diagnostics menu and access A D READINGS Short out the red and green wires while viewing the active A D readings When shorted an accurate display will be in the high 3000s If this Is not the case perform the same check at the sensor connection at the end of the trailer interface cable and at the connection between the scale and the cable 4 If shorting out the red and green
13. eritor RHP 11 2x Ridestar RHP11 2x Ridewell RL 224 2x RL230 2x RL250 2x 240USW 2x 240USW 3x RAR 240 OSL 2x RAR 260 30K Watson Chalin TA 300 2x TI 251 2x Calibration Calibrating with Pre Calculated Data 6 Use AorY to select your trailer s suspension type Press ENTER 7 The screen will read ACCEPTED 8 After you have entered the calibration settings you must check weigh your trailer using a reliable ground scale Drive to a reliable certified in ground scale and weigh each axle 9 Enter the weight you obtain into the worksheet below 10 The total in the Adjustment Weight column is the amount you need to adjust your calibration for it to be completely accurate Adjust your axle weight following the instructions in the section entitled Adjusting a Calibration Note If your trailer s axle weight needs to be adjusted more than 1500 pounds 680 kilograms then you must recalibrate the scale using the manual method Check Weigh Worksheet Ground scale weight a ____ 2222 Weight displayed on LoadMaxx scale b Subtract b from a to find Adjustment weight Calibration Adjusting a Calibration Adjusting a Calibration Note We do not recommend that you adjust a calibration without first consulting Air Weigh Support Incorrect adjustments can easily cause your scale to read inaccurately so be cautious when choosing to adjust a calibration It is almost always preferable to recalibrate
14. ever pre calculated calibration data is available for many common suspension types Collecting and Entering Weight Data Note It is possible to enter trailer weight through a LoadMaxx tractor scale if one is present This is ideal in dedicated tractor trailer applications Please see the LoadMaxx Tractor User Guide available from our Support department or on our website for detailed instructions on entering trailer weight through the tractor scale The instructions below are for entering weight information directly into the trailer scale You can collect and enter either the heavy weight or empty weight first This guide provides instructions for entering the heavy weight before the empty weight but either order is permissible However your trailer MUST be empty when you enter the empty axle weights into the scale and fully loaded when you enter the heavy axle weights 1 Fill the trailer to maximum legal GVW or as close as possible Filling the trailer only half full will lead to a less accurate calibration 2 Fill your truck s fuel tank 3 Proceed to a certified in ground scale Record the axle weight s of your trailer If you are calibrating a full trailer Calibration Collecting and Entering Weight Data model number 5882 and the scale does not have separate weighing mechanisms for each axle group drive the truck so that only the front axle of the trailer is on the scale and record the weight then repeat for the re
15. f possible deflate the suspension for 5 to 10 seconds then re inflate to factory ride height 4 Wait approximately 5 to 10 seconds When numbers on the display menu stop blinking your LoadMaxx trailer scale displays accurate weight Using LoadMaxx Trailer Setting a PIN Setting a PIN We recommend that you set a PIN to protect your scale settings from tampering A PIN will protect calibration settings alarm settings and the scale s model number To set a PIN follow the steps below 1 From the main menu press VW until the screen reads PROGRAM Press ENTER 2 Press Y until you reach SETUP Press ENTER 3 Press W until you reach NEW PIN Press ENTER 4 The screen will read PIN 0 The 0 will be blinking Use A or to select the PIN you want to use Press ENTER The screen will read ACCEPTED To remove a PIN from your scale follow the steps above Enter 0 and press ENTER to save Setting 0 as a PIN removes the PIN from the scale 10 Using LoadMaxx Trailer Assigning A Trailer ID Assigning a Trailer ID If you are using your LoadMaxx trailer scale in conjunction with a LoadMaxx tractor scale the tractor scale will display the weight of the trailer or of each axle group if you are using a full trailer The tractor scale automatically assigns a trailer ID to each trailer you are using or each axle with a full trailer However if you are connecting multiple trailers to one tractor such as in the case of low boys or b
16. he alarm resets and will turn on again with the next load Note For more detailed instructions than are available in this manual please see Product Application Note 903 0122 000 available from Air Weigh upon request Installing Alarms 1 Provide an alarm or buzzer that runs on either 12 or 24 volts This alarm can be mounted either inside or outside of the cab depending on preference 2 Find the interface cable that is directly attached to the back of your LoadMaxx trailer scale Attached to this cable there will be a blunt cut gray wire The end is protected by a plastic coating This is the alarm wire 3 Cut the plastic coating from the end of the wire and twist it together with the power wire from the alarm you provided Secure with electrical tape 4 You can ground the alarm using any existing ground or the trailer chassis To ground to the chassis secure the alarm 12 Using LoadMaxx Trailer Installing and Activating Alarms ground wire to a ring terminal and attach the ring terminal via a screw to any point on the metal trailer frame 5 Mount your alarms inside or outside the truck in whatever configuration you find most useful Activating Alarms 1 From the main menu press Y until the screen reads PROGRAM Press ENTER 2 Press W until you reach ALARMS Press ENTER 3 The screen will read EXIST Press ENTER 4 The screen will then read either YES or NO indicating that the alarm has already been activa
17. iagnostics Menu Make sure that your empty and heavy A D readings at the time of calibration reflect an accurate calibration If not re calibrate your scale 3 Check your power circuit to see if there is a break or corrosion in the cables The link between the tractor and the trailer is a common culprit check for corrosion Check the connection to the scale as well 4 Empty your leveling valve if possible Wait 10 seconds Then refill the bags with air Some systems take a very long time to fill completely so wait up to 60 seconds before expecting inaccurate weight readings If readings are still inaccurate check the airbags and leveling valves for holes or breaks 5 If you have not identified the problem or if there is a problem with the power supply call Air Weigh Support for further assistance 20 Troubleshooting Weight Readings Fluctuate Weight Readings Fluctuate If your axle weights are fluctuating continually and in large amounts from 2000 pounds to 35000 pounds within a few seconds for example you most likely entered both your empty and heavy calibration weights at the same time It is extremely important to enter empty weight when the trailer is empty and heavy weight when the trailer is fully loaded If you enter both empty and heavy weights when the trailer is fully loaded for example this will cause fluctuating weight readings If you notice this issue re calibrate your scale following the procedures und
18. ion on offsetting pre calculated calibrations to more accurately reflect your wheel end specifications Note Manual calibration is always recommended over pre calculated calibrations Manual calibration often provides more accurate weight results since it takes into account the individual characteristics of how the specific trailer carries its load at ride height Follow the instructions below to select a pre calculated calibration 1 Press POWER to turn on the scale display 2 Press MENU to get to the main menu Fig 1 Press Y until the screen reads PROGRAM Press ENTER 3 Your screen may flash with NO PIN If so it should disappear within a few seconds and the screen should read CALBRATE Press ENTER 4 The screen should read SUSPNSNS Press ENTER Use AorY to select the manufacturer of your trailer suspension They are arranged in alphabetical order Press ENTER Calibration Calibrating with Pre Calculated Data Table 1 Suspensions with a Pre Calculated Calibration Manufacturer Suspension Types Binkley Airlite 2 2x Dana RS 20 2x RS 23 2x RS 40 2x RS 46 2x RF 20 2x RF 23 2x RF 40 2x RF 46 2x HT 250 3x HT 250 2x Intraax AA 230 23K 2x Intraax AAT 23K 2X Vantraax HKA 180 40K 2x Vantraax HKANT4QK 2X HT 230 Spread Axle 2x HT 300 2x Intraax AA 250 25K 2x Vantraax HKA 250 50K 2x Intraax AA 230 23K 3x Intraax AAT 25K 2X Vantraax HKAT 50K 2X Intraax AAT 23K 3X Vantraax HKANT 40K 2x M
19. l replace or repair all components for up to three years from shipment date to the end user Air Weigh customer These three year components include displays ComLinks sensors power cables sensor assemblies sensor harnesses and all other associated external components Air Weigh assumes no responsibility for administering warranty claims directly with any third party end users The responsibility of Air Weigh under this warranty is limited to the repair replacement or credit of the defective part or assembly This warranty does not cover incidental or consequential damage to persons or property caused by use abuse misuse or failure to comply with installation or operating instructions This limited warranty does not apply to any product that has failed due to accident abuse alteration installation not consistent with printed installation instructions improper maintenance or improper operation or as a result of system integration or installation not explicitly approved in writing by Air Weigh Air Weigh and its resellers shall have no responsibility or liability for damages if the purchaser or any other person alters the vehicle incorporating Air Weigh products This limited warranty shall not apply to any product that has been repaired or altered by anyone not employed by Air Weigh or not operated in accordance with the manufacturer s printed material delivered with this product Air Weigh hereby expressly disclaims any and all i
20. mplied warranties of any type kind or nature whatsoever and particularly any implied warranty of merchantability or fitness for a particular purpose not expressly stated by Air Weigh in its printed material delivered with its products Some states do not allow the exclusion or limitation of incidental or consequential damages If such laws apply the limitations or exclusions contained in the terms and conditions of this warranty may not apply This warranty gives you specific legal rights and you may also have other rights that vary from state to state May be covered by U S Patent Nos 5478974 5780782 7478001 Foreign Patent Nos 260494 677998 2122766 Copyright 2004 2006 2007 2010 2012 2013 by Hi Tech Transport Electronics Inc All rights reserved Air Weigh ComLink and Hi Tech Transport Electronics are trademarks or registered trademarks of Hi Tech Transport Electronics Incorporated Other brand product or service names listed in this document are the trademarks or registered trademarks of their respective holders Information contained in this literature was accurate at time of publication Product changes may have been made after copyright dates that are not reflected in this document Procedure for Warranty Claims Procedure For Warranty Claims ALL customers should first contact Air Weigh Customer Support Department at 888 459 3247 for questions regarding the use operation repair or return of any Air W
21. s below for more information on the type of problem you re experiencing For help with any LoadMaxx Trailer related problem please call Air Weigh s support department at 1 888 459 3247 between 7am and 5pm PST Navigating the Diagnostics Menu The diagnostics menu provides you with information that can help you determine whether there is a problem with your calibration or some other aspect of your scale It can be useful when troubleshooting To reach and use the diagnostics menu follow the instructions below 1 From the main menu press VW until the screen reads DIAGNOSE Press ENTER 2 Use Aor to select any diagnostics information and press ENTER to view that information Diagnostics information is detailed below e STATUS shows error codes e ATOD shows the analog to digital readings of the trailer s current weight These are numbers that indicate whether the scale is reading weight In general an A D reading of 409 indicates 0 pounds of weight an A D reading of 600 800 is about normal for an axle with an empty tractor and trailer and an A D reading for an axle with a heavy load should be about double the reading for that axle when it the trailer is empty e CAL TYPE tells you whether the calibration was manual or a pre calculated calibration e RATIO and OFFSET give information that could be useful to Support staff e EMPT A2D and HVY A2D show the analog to digital readings of the trailer at the time of calibration
22. ted or has not been activated If the screen reads YES skip to the next step If the screen reads NO press W once The screen should then read YES Press ENTER to accept the changes The screen will read ACCEPTED Setting a Warning Weight 1 From the main menu press V until the screen reads PROGRAM Press ENTER 2 Press Y until you reach ALARMS Press ENTER 3 Press Y until you reach WARNING WT and press ENTER 4 The screen will read 0 and the number should be flashing Use AorVto select the warning weight you desire Press ENTER when you have selected the correct alarm weight 5 The screen will read ACCEPTED You have set your warning weight Setting an Alarm Weight 1 From the main menu press VW until the screen reads PROGRAM Press ENTER 2 Press Y until you reach ALARMS Press ENTER 13 Using LoadMaxx Trailer Installing and Activating Alarms 3 Press W until you reach ALARM WT and press ENTER 4 The screen will read 0 and the number should be flashing Use AorVto select the alarm weight you desire The alarm weight must be greater than the warning weight if you have chosen to set a warning weight Press ENTER when you have selected the correct alarm weight 5 The screen will read ACCEPTED You have set your alarm weight 14 Using LoadMaxx Trailer Changing the Model Number Changing the Model Number Note Be cautious when changing the model number of your scale We recommend that you only do so un
23. the screen will show FRONT Press ENTER to select the front axle and use AorY to enter the heavy weight for the front axle Press ENTER e The screen will read ACCEPTED Press ESC to return to the Pick Axle menu e Ifyou are calibrating a semitrailer skip this step If you are calibrating a full trailer press ESC Press W once to select the rear axle Use Aor to enter the heavy weight for the rear axle Press ENTER The screen will read ACCEPTED 8 To collect and enter empty axle weights follow the instructions exactly as above but make sure your trailer is completely empty Select EMPTY WEIGHT rather than HEAVY WEIGHT from the display menu when entering the weights Calibration Calibrating with Pre Calculated Data Calibrating with Pre Calculated Calibration Data Air Weigh has determined pre calculated calibration data for many of the most common types of trailer suspensions To determine if your trailers suspension is among those see Table 1 Please note that if your suspension is not listed in Table 1 you must manually calibrate All of our pre calculated calibrations were created from a sampling of trailers equipped with standard wheel end specs Standard specs include dual steel wheels and tires drum brakes and steel hubs If a trailer has lighter weight wheel end specs the pre calculated calibration will be inaccurate as it is Please contact your Air Weigh sales representative or our Support department for informat
24. ther be discarded returned freight collect or repaired or replaced at the Air Weigh customer s expense and returned freight collect 28 Air Weigh 1730 Willow Creek Circle e Eugene OR 97402 9152 USA P O Box 24308 Eugene OR 97402 0437 USA Telephone 541 343 7884 Order Desk 888 459 3444 Customer Support 888 459 3247 Fax 541 431 3121 Hours of Operation Monday Friday 7 a m 5 p m PST www Air Weigh com
25. your scale If your GVW is off by up to 1500 pounds consistently and Air Weigh support advises use of the adjust function follow the steps below 1 Press POWER to turn on the scale display 2 Press MENU to get to the main menu Press Y until the screen reads PROGRAM Press ENTER 3 Your screen may flash with NO PIN If so it should disappear within a few seconds and the screen should read CALBRATE Press ENTER 4 The screen should read SUSPNSNS Press V until the screen reads ADJUST and press ENTER Fig 5 5 The screen will display a message that reads To Loa Maxx adjust press Aorv After a few seconds the message will Eas fade and the screen will show al a blinking 0 Use Aor Vto enter the amount you need to adjust your calibration the adjustment weight from the Log iMaxox check weigh worksheet on 420 LB the previous page see Fig 420 LB 6 Press ENTER The screen SIOMOOE will read ACCEPTED Fig 5 Adjust Fig 6 Adjust Amount Using LoadMaxx Trailer Weighing Your Load Section 3 Using LoadMaxx Trailer Scale Weighing Your Load To obtain the most accurate weight reading to within 300 pounds or 140 kilograms of each axle group we recommend carefully following the steps below 1 Park on level ground Leave your engine running 2 Release all brakes including trailer brakes Leave the vehicle in neutral We recommend you chock wheels to ensure the vehicle doesn t roll 3 I
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