How do I disconnect the PV200/210 when a fault has occurred?

Note: Appropriate PPE, including arc flash protection, must be worn at all times when using the PV200/210.

The PV200/210 has multiple internal devices intended to safely disconnect the internal load from the PV system under test, however, it is possible that under certain fault conditions the load may not be disconnected internally. In this case, current will continue to flow after a test, even if the PV200/210 is switched off.

If the internal load has failed to disconnect, the PV200/210 will normally display an error message such as “FET” but if there is any doubt, the current flow should be checked using a separate independent device such as a DC current clamp.

Care should be taken when disconnecting the PV200/210 from the PV system in order to minimise electrical arcing and reduce any risk of damage. Never attempt to open any PV string fuses while the PV200/210 is connected to the PV system as this is likely to cause arcing and damage to the fuse holder.

If a fault within the PV200/210 is suspected, it should be disconnected from the PV system by disconnecting the PV test leads at the MC4 connector. Take firm grip of the red PV test lead, at an appropriate distance on either side of the MC4 connector junction, and swiftly pull the connectors apart. Separating the connectors as quickly as possible will reduce the amount of electrical arcing.

If the PV200/210 has failed or been disconnected under load it should be sent to an authorised service centre for repair.

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