TM10-3930-660-20 Table  2-2. Electrical Troubleshooting (Cont’d) MALFUNCTION TEST OR INSPECTION CORRECTIVE  ACTION 20. FORK AUTOLEVELING AND ELECTRIC JOYSTICK DO NOT WORK Check if circuit breaker (CB5) is tripped. l The circuit breakers will trip if there is a shorted or grounded wire. l The  circuit  breakers  will  automatically  reset  after  cooling.  They cannot be reset manually. . Under normal operating conditions, circuit breakers should never require replacement. However, if a circuit breaker does not reset after it has cooled, the circuit breaker is defective and must be replaced, para. 8-12. Check circuit for shorts, broken wires, or bad ground. Refer to electrical schematic, page F/O-l. 21. MLRS ATTACHMENT    HOIST/LOWER FUNCTION DOES NOT WORK Step 1. Check for defective electrical joystick assembly. Check electrical joystick assembly and replace if defective,  para. 8-19. Step 2. Check for bad ground or loose connections. Inspect wires and connections, para. 8-46 and 8-47. 2-22