Himoinsa CEC7 - Alarm Operations Examples

CEC7 CONTROL UNIT ALARMS | PAGE 20
EXAMPLES OF ALARM OPERATIONS
• “EN” Alarm with engine stopped
• “AN” Warning that needs to be reset
• “A” Auto-resettable warning
“EN” ALARM WITH ENGINE STOPPED
1. Upon detection of an alarm or warning, the control unit produces an acoustic
signal, the LED of the RESET button and the screen ashes and the alarm digital
output (AL) is activated.In this case the engine stops. (1)
Fig.1
2. Pressing the RESET button eliminates the acoustic warning and the screen
stops ashing. The RESET LED remains lit and on the screen the alarm type is
displayed. Example: Alarm active “EN” High Water Temperature. (2)
Fig.2
The list of alarms, active warnings and pending notication has the following
format:
* A L A R M * E N 1 / 3 *
M I N . G E N S E T F R E Q U E N C Y
E: Alarm / A: Warning
N: Pending noti cation
1: Position of the error in the list of errors
3: Total number of errors in the list
NOTE
Alarms that cause the engine to stop are not auto-resettable, they must be
notied and reset so that the generator set can be restarted, provided that the
alarm does not remain active.
Alarms associated with the network electrical signal are auto-resettable,
disappearing from the display screen once a valid electrical signal is restored.
ALARM
HIGH WATER TEMPERATURE