M#SLP98UH090V60C-02 s#5911E22770 did a maintenance on furnace. Customer changed the pure air kit, but the led light was not working after inspection the led bulb was loose. Also, cleaned the flame sensor and checked the HSI. Did a combustion test everything is operating safely. Did amp check on inducer and blower motor. System is operating properly at this point. M#LF24-75A-5 s#5911E22770 did a maintenance on a ceiling mounted gas furnace. System has no filter, did a amp check on the inducer motor and blower motor and both met the specs of the unit. Also cleaned the flame sensor and checked the spark ignition an cleaned it off. System is operating properly at this point