222, 223, 622 and 623 Table Limit Switches Test and Repair
All limit switches are the same. They can be "traded" to troubleshoot.
Limit Switch Test
1.Remove limit switch. Disconnect wires.
2.Set meter to 200 Ω.
3.Place meter probes on COM and NC terminals.
| With Switch Untripped | ||
|---|---|---|
| Meter Reading | Status | Required Action |
|
OL |
|
Replace switch |
|
Any resistance reading |
|
Switch is good. Perform next check. |
| With Switch Tripped | ||
|---|---|---|
| Meter Reading | Status | Required Action |
|
OL
|
|
Switch is good. Perform next check. |
|
Less than or = to 5 ohms |
|
Replace switch |
