Rain Bird ESP-RZ Installation Manual & Operation Manual

Also see for ESP-RZ: Quick reference manual

Contents

Rain Bird ESP-RZ Installation Manual & Operation Manual Manual pdf 13 page image

11TroubleshootingError DetectionThe ESP-RZ controller has a built-in error detection thatsenses a electrical short circuit or overload condition on aZone’s output line.In the event of an error condition, the following stepstake place regarding the error:ll The affected Zone number and “Err” alert message willshow on the display when the unit is in either AUTO orMANUAL WATERING mode.Watering IssuesProblem Possible Cause Possible SolutionProgrammed schedulesand manual wateringfunctions do not start.Water source not supplying water. Verify there is no disruption to the main water lineand that all other water supply lines are open andfunctioning properly.Wiring is loose or not properlyconnected.Check that field wiring and master valve or pump startrelay wiring is securely connected at the controller andin the field.Field wires are corroded ordamaged.Check field wiring for damage and replace if necessary.Check wiring connections and replace with watertightsplice connectors if needed.Connected rain sensor may beactivated.Let the rain sensor dry out or else disconnect it from thecontroller terminal block and replace it with a jumperwire connecting the two SENS terminals.Jumper wire connecting the twoSENS terminals on the terminalblock may be missing or damaged.Jumper the two SENS terminals on the controllerterminal block by connecting them with a short lengthof 14 to 18 gauge wire.Electrical IssuesProblem Possible Cause Possible SolutionDisplay is blank. Power not reaching the controller. Verify the main AC power supply is securely plugged inor connected and working properly.Display is frozen andcontroller will not acceptprogramming.An electrical surge may haveinterferred with the controller’selectronics.Unplug the controller for 2 minutes, then plug it back in.If there is no permanent damage, the controller shouldaccept programming and resume normal operation.ll All irrigation for the affected Zone is cancelled andwatering advances to the next operable Zone in theirrigation queue.lb NOTE: The controller will attempt to water theaffected Zone again at the next scheduled watering.Completion of a successful watering will clear theerror condition associated with that Zone.

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