Fail-Safe Relay
Remove relay. Measure resistance between terminals specified, at 68°F (20°C). See FAIL-SAFE RELAY TESTING table. See Fig 1 . Replace relay if resistance is not within specification.
FAIL-SAFE RELAY TESTING
| Measure Resistance Between Terminal No. | Resistance | ||
|---|---|---|---|
| 1 & 3 | 78-96 Ohms | ||
| 2 & 5 | Continuity | ||
| 4 & 5 | Open | ||
| 4 & 5 | (1) Continuity | ||
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