Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the garage door opener system operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify that the garage door opener is inoperative. Does the garage door opener operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Attempt to Reprogram the UGDO module. Refer to Garage Door Opener Operation . Did the procedure correct the problem? | -- | Go to Step 9 | Go to Step 4 |
4 |
Does the test lamp light? | -- | Go to Step 6 | Go to Step 5 |
5 | Repair the open in CKT 40 (ORN) between UGDO module connector cavity A and fuse block. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 9 | -- |
6 | Connect a self-powered test lamp between UGDO module connector C and cavity A. Does the test lamp light? | -- | Go to Step 7 | Go to Step 8 |
7 | Replace the UGDO module. Refer to Garage Door Opener Module Replacement . Is the repair complete? | -- | Go to Step 9 | -- |
8 | Repair the open in CKT 1850 (PPL/YEL) or CKT 1850 (BLK) between UGDO module connector cavity C and ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 9 | -- |
9 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
