Troubleshooting Guide Bosch 96% AFUE Gas Furnace | 9
BTC 770502101 A | 01.2019
Data subject to change
Figure 5
1. Check for 18-31Vac power between “W/W1” & “C” terminals with multi-meter
1
Figure 6
1. Check for 18-31Vac power between “G” & “C” terminals with multi-meter
1
Figure 7
1. Check for 18-31Vac power between Hi-heat/lo-heat/hi-cool/lo-cool
and COM with multi-meter
1
2
2. Check for 115Vac power supply between CIRC-H and N with
multi-meter
To Next Page
Loading...
