Overview
TroubleShooting
| Problem | Probable Cause |
|---|---|
| Won't Start |
|
Won't Start - Buzzing Sound |
|
Capacitors
- Start Capacitor (black)
- Dual Run Capacitor(grey)
Checking the Capacitor
The capacitor has a rating on it. Capacity is written as HERMS capacity + FAN capacity.
ex. 35+4uF
Measure the capacity from common to what you are measuring.
ex. Fan measurement should show 4uF and Herms should show 35uF.
Thermostat Wiring
Voltage: 24 VAC
Mark's Unit
Sears Model# 875.47270
MD: 3207-1 11A
References
| Reference | URL |
|---|---|
| How Air Conditioners Work | https://servicechampions.com/how-your-air-conditioner-works/ |