Maintenance - WEG CPW22 User Manual

6 MAINTENANCE

If the safety relay does not operates according necessary applications, check the possible faults listed below
before send device to maintenance.
DEVICE DOES NOT SWITCH ON
„
Check the wiring connections and comparing with wiring diagram applications.
„
Check the operating voltage at A1 / A2.
„
Check the safety switch used for correct function and adjustment.
„
Check whether the emergency stop circuit is closed.
„
Check whether the start button (with manual start) is closed.
„
Check if the feedback loop is closed.
„
DEVICE CAN NOT BE SWITCHED ON AGAIN AFTER AN EMERGENCY STOP
„
Check whether the emergency stop circuit was closed again.
„
Check if the start button or the emergency stop circuit (with manual start) opened before closing again.
„
Check if the feedback loop opened before closing again.
„
If these steps do not remedy the fault either, return the device to the manufacture for examination.
ATTENTION!
Opening the device is impermissible and will void the warranty.
Maintenance
CPW22 | 15