| Display Area Functions When In Normal Mode, Alarm Mode Or Shutdown Mode (1) | |||
|---|---|---|---|
| Item Of Display Area | Normal Mode | Alarm Mode | Shutdown Mode |
| Upper Display | AC Data Shown | AC Data Shown (2) | Fault Code Shown |
| Lower Display | Engine Data And Relay Status Shown | Engine Data And Relay Status Shown | Engine Data And Relay Status Shown |
| Shutdown Indicator/s | All Off | All Off | Flashing |
| Fault Alarm Indicators | Off | Flashing (2) | Off |
| Key Function | Normal Mode | Alarm Mode | Shutdown Mode |
| Left Most Key (3) | No Function | No Function | No Function |
| Phase Select Key | Selects The AC Phase That Is Shown On The Upper Display | Selects The AC Phase That Is Shown On The Upper Display | No Function |
| Engine Meter Key | Stops And Starts The Scrolling Of Engine Conditions On Lower Display | Stops And Starts The Scrolling Of Engine Conditions On Lower Display | Stops And Starts The Scrolling Of Engine Conditions On Lower Display |
| Lamp Test Key | Performs A Lamp Test | Performs A Lamp Test | Performs A Lamp Test |
| Alarms Code Key | No Function | Shows The Fault Code On The Upper Display | No Function |
| Exit Key (3) | No Function | No Function | No Function |
| Service Mode Key | Enters The GSC Into Service Mode | Enters The GSC Into Service Mode | No Function |
| ( 1 ) | For a description of the display area functions when in service mode, see Systems Operation, "Service Mode". |
| ( 2 ) | When an alarm fault is present, the fault code is shown on the upper display when the alarm codes key is pressed. |
| ( 3 ) | This key only functions when in service mode, see Systems Operation, "Service Mode". |
 | |
| Illustration 1 | g00474240 |
Display Area Of Generator Set Control (GSC) (1) Dedicated Shutdown Indicators. (2) Fault Shutdown Indicator (3) Fault Alarm Indicator (4) Upper Display (5) Lower Display. (6) Keypad | |
The GSC has four modes of operation. A brief description of each mode follows this paragraph. See the individual topic for more detailed information.
Normal Mode - The GSC uses normal mode for the normal operation of the generator set. The operator can identify the normal mode by observing the display area. When the GSC is in the normal mode, all dedicated shutdown indicators are OFF. The fault shutdown indicator is OFF. The fault alarm indicator is OFF and "SERV "is NOT SHOWING on the upper display.
Alarm Mode - If there is an alarm fault, the GSC will automatically go into alarm mode in order to alert the operator. The operator can identify the alarm mode by observing the display area. When the GSC is in alarm mode, the fault alarm indicator is FLASHING. When the alarm code key is pressed the fault code will be shown.
Shutdown Mode - If there is a shutdown fault, the GSC will automatically go into shutdown mode in order to alert the operator. The operator can identify the shutdown mode by observing the display area. When the GSC is in shutdown mode, a dedicated shutdown indicator is FLASHING, or the fault shutdown indicator is FLASHING.
Service Mode - The GSC goes into service mode when the operator presses the service mode key on the keypad. The operator can use service mode for the following purposes.
- Assist with troubleshooting diagnostic faults.
- Verify generator set functions, calibrate generator set functions, or adjust generator set functions.
- Satisfy special applications.
- Satisfy the needs of the customer.
The operator can identify service mode by observing the display area. When the generator set is in service mode, "SERV" is SHOWN on the upper display.
Note: Service mode can not be entered when the ECS is in the AUTO position.