Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Lighting System Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Are ALL of the I/P lamps on? | -- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 | Using a test lamp connected to a known good ground, backprobe the I/P dimmer control circuit feed at the inoperable I/P lamp. Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 4 |
4 | Repair a poor connection or an open in the I/P dimmer control circuit, between S203 and the inoperable I/P lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 8 | -- |
5 | Using a test lamp, backprobe the inoperable I/P lamp between the I/P dimmer control circuit and the ground circuit. Does the test lamp illuminate? | -- | Go to Step 6 | Go to Step 7 |
6 | Replace the inoperable I/P lamp. Did you complete the repair? | -- | Go to Step 8 | -- |
7 | Repair a poor connection or an open in the ground circuit of the inoperable I/P lamp. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 8 | -- |
8 | Operate the system in order to verify the repair. Did you correct the condition? | -- | Go to Step 2 |
