Electronic Board hardware malfunction – please replace electronic head.
Internal solenoid valve malfunction – please replace electronic head.
Reset and activate the unit – without connecting the chuck to the air machine, the LCD display should read 32/0 for the entire vending time. If this is not the case, please replace the electronic head.
If the LCD display is showing “Err 4”, the pressure sensor is drifting – please replace electronic head.
Might be an open ended chuck, defective or wrong chuck, replace chuck.
Sensor malfunction – please reset the unit. If problem persist, replace the electronic head.
Coin acceptor is jammed or coin switch is damaged. Clear coin jam or replace coin switch or coin acceptor.
The air machine is not generating enough air pressure and flow to inflate the tire to the desired pressure. Please check for the following:
Check buzzer wire connections on the electronic board points 1 and 2. If wiring connections are good, replace the buzzer inside of the electronic head.
Run quarters through the machine multiple times.
The microprocessor is frozen – normally due to an electrical surge or short.
***CAUTION: ELECTRICAL HAZARD***
Note: The best way to check for an output leak is to turn the unit off and connect the chuck to a fully inflated tire. If there is a leak, you should be able to hear air escaping.
If problem persist, contact Excel Tech Support.