56 | SAMLEX AMERICA INC.
SECTION 9 |
Protections, Operational
Monitoring & fault diagnosis
As explained in Section 6 titled “LCD Control Panel for Local and Remote
use”, the LCD Control Panel is used to configure and monitor the
operation of the unit.
LCD display and messages pertaining to control and monitoring of
normal operation of the unit have been explained in the previous
sections.
The LCD panel also displays alphanumeric information regarding fault
conditions for diagnostics. In addition, the panel has 2 LEDs marked
“Status” and “Fault” and an internal buzzer. These are also used for
indicating the modes of operation of the unit and fault diagnostics using
the following conditions:
• ON/OFF state of the 2 LEDs
• Color and blinking pattern of the 2 LEDs.
• Buzzing pattern of the buzzer
LeD And buzzer Indications For
normal operating Modes
LEDs marked “Status” and “Fault” and an internal buzzer are used to
indicate normal modes of operation as given in Table 9.1 below:
TAbLe 9.1: LeD InDICATIonS AnD bUZZeR ConDITIon
FoR noRMAL MoDeS oF oPeRATIon
Parameter
“Status” LeD
GReen
“Fault”
LeD ReD
buzzer
Condition
Remarks
UTILITy MODE
ON
OFF
1 beep after load is
transferred
GENERATOR MODE
ON
OFF
1 beep after load is
transferred
SETTING MODE
Blinking 1 @ 1 sec
Blinking 1 @ 1 sec
OFF
INvERTER MODE
Blinking 1 @ 2 sec
OFF
1 beep after load is
transferred
POWER SAvE MODE
Blinking 1 @ 4 sec
OFF
OFF
SELF-TESTING
Blinking 1 @ 1 sec
Blinking 1 @ 1 sec
OFF
At start up. Lasts for
approximately
8 seconds
PRESSING OF KEy PAD
IS BEING CONFIRMED
No change
No change
1 beep