Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems in Lighting Systems. |
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 7 | Go to Step 4 |
4 | Inspect the I/P dimmer control circuit feed for an poor connection or an open between the inoperable I/P lamp and the LH I/P Accessory Wiring Junction Block. Is the circuit OK? | Go to Step 6 | Go to Step 5 |
5 | Repair a poor connection or an open in the I/P dimmer control circuit, between the LH I/P Accessory Wiring Junction Block and the inoperable I/P lamp. Did you complete the repair? | Go to Step 10 | -- |
6 | Replace the LH I/P Accessory Wiring Junction Block. Did you complete the repair? | Go to Step 10 | -- |
7 | 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 8 | Go to Step 9 |
8 | Replace the inoperable I/P lamp. Did you complete the repair? | Go to Step 10 | -- |
9 | Repair a poor connection or an open in the ground circuit of the inoperable I/P lamp. Did you complete the repair? | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | Go to Step 2 |
