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Documents, Error Codes & Calibration Support

Troubleshooting FAQs

Possible Cause: Invalid calibration. Caused by “LO” and “HI” set at the same time either empty or full.
Solution: Recalibrate “LO” value at unladen/empty weight and “HI” value at laden/full weight.
Possible Causes: The calibrated weight of the “LO” value is too close to the calibrated weight of the “HI” value.
Solution: Recalibrate the “LO” value at minimum/empty weight and “HI” at maximum weight.
Probable cause:The gauge wasn’t calibrated or was set with incorrect weight on the weighbridge.
Solution:Keep the engine running to provide air to the suspension system. Park the trailer on the level ground. Release trailer brakes. Exhaust the air from the suspension and inflate to correct ride height.

Probable cause: The gauge is not connected to the air-bag suspension.
Solution:Check the air-line connection.
Probable Cause: Display Auto OFF timer mode not set.
Solution: Set display auto OFF timer.
Probable Cause: The time value set for the display auto OFF timer mode is too low.
Solution: Adjust or increase display timer mode
Probable Cause: Check if unit is connected to power.
Solution: Check the power circuit. If the voltage is below 8 DC the unit will not function correctly. Test the power source with a voltmeter. The gauge must be connected to a switched source to allow occasional software reboot.

Probable cause: Check if the polarity is correct
Solution: The red/brown wire must be connected to positive, and the black to negative.
Probable Cause: The height control valve (HCV) is malfunctioning or broken.
Solution: The HCV is not functioning correctly, the air pressure applied to the suspension system could be inconsistent.

Probable Cause: The height control valve (HCV) cannot supply air to the suspension system.
Solution: Set unit into Pressure Gauge Mode to display actual air pressure). Then, check and replace ride height control valve.

Video Instructions

Calibration Support

Tips to obtain an accurate calibration reading

1.  Keep the engine running to provide air to the suspension system.

 

2.  Park the vehicle on a level ground.

 

3.  Release vehicle brakes. If trailer is attached, release trailer brakes.

 

4.  Exhaust the air from the suspension and re-inflate the air bag suspension to the correct ride height.

 

5.  Your will know you have the correct calibration when the weight shown on the AXMAXL unit is the same as the weighbridge value.

Consider a 0.2% of margin of error between values.

Video Instructions

*For single and dual channel configurations

Written Calibration Instructions

1. Set Tare Weigh – LO VALUE VEHICLE EMPTY


 
With the AXM201/202 display on:

– Press [P] button for 2 seconds to enter Program Mode (dECPT will appear on the display).
– Press [P] button twice to display LO, press once more to adjust the value.
– Adjust display value with [- ] and [ + ] buttons, until reading is the same as the weighbridge docket (known as Tare Weight)
– Press ⏎ button to store
– Press [⦶] button to exit program mode.


2. Set Max Weigh – HI VALUE VEHICLE LOADED

 

With the AXM201/202 display on:
– Press [P] button for 2 seconds to enter Program Mode (dECPT will appear on the display).
– Press I P 1 button 4 times to display HI, press once more to adjust the value.
– Adjust display value with [- ] and [ + ] buttons, until reading is the same as the weighbridge docket (known as Tare Weight)
– Press ⏎ button to store
– Press [⦶] button to exit program mode.

1. Set Tare Weigh – LO VALUE VEHICLE EMPTY

With the AXM201/202 display on:

– Press and hold [P] button until CHAN  appears 

– Press [P] again and -1- will appear (when setting weights for the first time stay on channel 1 until calibration for channel 1 is complete) 

– Press [+] and channel -2- will appear (skip this step if you are calibrating channel 1) 

– Press [P] again, the screen should say DECP

– Press [P] button twice to display LO, press once more to adjust the value.
– Adjust display value with [- ] and [ + ] buttons until reading is the same as the weighbridge docket (known as Tare Weight)
– Press ⏎ button to store

– Press and hold [P] until DECP appears

– Press [P] again and -1- appears. 

– Use the [+] button to change to channel -2- and press ⏎

– Press the [P] again until you get to LO. 

– Press [P] one more time until the weight appears

– Use the [+] and [-] buttons to set the scales to match the weighbridge docket, remembering you are now setting your rear axle or Drive weight.

– Press ⏎ button to store
– Press [⦶] button to exit program mode.

 

 

 

2. Set Max Weigh – HI VALUE VEHICLE LOADED

 

With the AXM201/202 display on:
Continue the steps above to complete the HI calibration 

 

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