| There is a problem with one of the upper river level sensors. |
| The generator has failed. This is probably caused by a power failure. If so use Global Reset to reset it. |
| The hydraulics have failed. This is probably caused by a power failure. If so use Global Reset to reset it. |
| The penstock has failed. This is probably caused by a power failure. If so use Global Reset to reset it. |
| The G59 relay has tripped. This is normally caused by external electrical network disturbances and should reset itself after an hour. |
| The level in the forebay is too high to start. This could be normal because of a high tide or river spate. |
| The turbine failed to start properly (failed to reach starting speed). |
| The turbine shut down because it went too fast |
| There is a problem with the lower river level sensor. |
| The gearbox temperature is too high. Check its cooling fan. |
| There is a fault with the screw top bearing |
| There is a fault with the generator bottom bearing |
| There is a fault with the generator top bearing |
| The upper river is below the low level trip level (minimum abstraction level) |
| There has been an emergency shutdown request |
| The turbine is generating below the minimum power level. It will probably shut down soon |
| The generator is in Manual mode. Use the HMI to put it in Automatic |
| The penstock is in Manual mode. Use the HMI to put it in Automatic |
| The hydraulics are in Manual mode. Use the HMI to put it in Automatic |
| The Emergency Stop button has been pressed. |
| The turbine is generating above the maximum power level. It will shut down soon |
| The turbine is undergenerating because the lower river level is high |
| The penstock failed to open. |
| The forebay level is too high to start. This is probably due to a high tide or river spate |
| The lower river level is too high to start. This is probably due to a high tide or river spate |
| There is a problem with the forebay level sensor |
| high differential alarm |
| The turbine can't start because there have been too many starts in the past hour |
| The variable speed drive has a communications fault. There has probably been a temporary power failure. |
| The screen is blocked |
| There have been too many G59 trips today. This may take some time to reset. |
| There is a problem with the generator bottom bearing |
| There is a problem with the generator top bearing |
| The forebay level has reached dangerous levels. The HMI will need to be reset AFTER inspecting the site for damage |
| There has been a normal shutdown request |
| A routine Hydraulic pump service is required |
| The HMI has decided it is not OK to operate. Check other messages. |
| The turbine was automatically requested to start |
| email sent |
| A routine service is required |
| A routine gearbox oil change is required |
| The turbine can't start because the upper river level is too low |
| The turbine was manually requested to start |
| A routine brake inspection is required |
| The turbine is not running |
| m128_5 |
| m128_7 |
| m127_6 |