BATTERY CHARGER USER’S MANUAL PART- 2: THEORY OF OPERATION
MCEnPC23-REV.2.4 Page 52
iii. Positive Ground Fault Alarm
If resistance between positive to chassis decreases below a preset value during a preset time, this alarm will be
activated. Leakage resistance is given by the following formula:
Leak
Leak
I
R
2
1
Example:
mAI
Leak
5
,
VR
leak
/100
We can enable or disable and adjust Positive Ground Fault alarm as shown on the procedure below:
Alarms?
Ok
Next
P
Exit
Adjust? Level1
Ok
Next P
Exit
ON5.0mA GNDF
Set
ExitNext
P
ON
OFF
Next
Exit
:getyou Next till Press
Next
Exit
-
ON GNDF
Fault Ground
10.5A 136.2V
:getyou Next till Press
ON5.0mA GNDF
Figure 52 : Positive Ground Fault Alarm adjustments procedure.