I turn rocker switch on with one battery I show full, plug in a different battery, turn on rocker switch get nothing, both batteries show a full charge on charger. I think one battery is 3 years old other...
Hello
Check the following:
* Circuit breaker on main control box is tripped
* Fuse blown (check fuse in main control box assembly).
* Incorrect polarity at battery terminals
* Dead batteries.
* Charging cable is still connected to charging receptacle
* One of the cable connections at the main control box is loose.
* Control connection cable disconnected
* Broken key switch
* Throttle stuck fully open
* Throttle control potentiometer broken.
* Speed potentiometer broken
* Battery voltage too low.
* Faulty charging cable.
* Charger not working.
* Charging circuitry in main control box assembly not working
If these check OK, the problem is likely to in the control connection cable or upper control box Verify that the upper control box is getting 24V. (Blue wire on red connector.)
* If the upper control box is not getting 24V, replace control connection cable
* If the upper control box is getting 24V, check key switch operation and verify wiring in the upper control box. Trace voltage from keyswitch on to find where the problem occurs. (Replace upper control box if necessary.)
* Charge batteries with a 12V charger or replace if necessary.
* Ohm test the charging cable - replace if necessary.
* Test scooter with a different charger, if new charger works, replace charger.
* Check wiring in main control box assembly - replace in line relay if necessary
* If batteries, charger, and all wiring is good, replace controller PCB. (Note the model number for the PCB, for example 1208-2330.)
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