I/W Upon arrival spoke with customer. Customer is explaining that furnace won’t fire up. Set thermostat to call for heat. After a few minutes, furnace would not fire up. Check and found filter restricted @ unit. Check and saw no display light @ control board. Check service switch outlet. No power @ GFCI outlet. Reset switch and breaker. Checked, reset and tested all safety switches. Rollout and high limit. After resetting safeties and replacing air filter, furnace fires up on/running Monitor operation. Furnace shut down on temp. System back up for normal operation. Recommended for customer to order customer filter through us. Also recommending customer to consider a service contract for there system. View visual findings from this job here - https://visionshare.xoi.io/?id=XA-213F-F4F71EE476AC4BC6BDF2F4C4F2DEC78E