| 1. Normal operation of the breaker is accompanied by clicks. If one of indexes of turn does not work, and clicks are not listened, it is necessary to check a lamp. |
Prevention
If frequency of interruptions suddenly decreases, the reason is peregorany lamps.
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| 2. If both indexes do not work, the reason is the safety lock peregoraniye, malfunction of the breaker, the switch or weakening of contacts. If fused a safety lock, check existence of short circuit of conducting, and only after this check establish a new safety lock. |
| 3. For replacement of the breaker get it from an arm and disconnect the socket. |
| 4. Track, that the new breaker in accuracy corresponded to the replaced. |
| 5. Installation is carried out upside-down. |