When checking microamps in a troubleshooting scenario, what should you check if the microamp reading is low?

In troubleshooting a gas appliance, a low microamp reading often indicates a problem with the components involved in generating and sensing the flame. Checking the cleanliness of the igniter, flame sensor, and electrical terminals is essential because any dirt, debris, or oxidation can inhibit proper functionality.

The igniter must be clean to ignite the gas effectively, while the flame sensor needs to detect the flame accurately. If the flame sensor is dirty or malfunctioning, it may not detect the flame's presence, leading to low microamp readings. Proper electrical connections at the terminals also play a crucial role; corrosion or dirt can impede the flow of electricity necessary for the sensors to operate correctly.

Overall, ensuring that these components are clean and functioning properly directly addresses the potential source of the low microamp reading, helping to facilitate accurate troubleshooting and restore the system to normal operation.