40
S.NO.
NOTICED
PROBLEM
PROBABLE CAUSE
REMEDY
6
Output
High
/Output Low
a)
Faulty R-C network
b)
Faulty Control Card
c)
Fault in motor
a)
Replace the R-C network
b)
Replace the control card
c)
Replace the motor
7
Garbage Value
shown in display
Contactor Coil Voltage
Reflect on display
Restart the stabilizer through mains
MCB
8
Voltage
correction
not
properly
Losses coupling of Motor &
Variac
Variac gear tightness
9
1)Input phase cut
off shown in
display
2)buzzer
continuously ON
3)no movement
of Variac
Loose connection input /
output voltage sensing
Connector.
Connect properly
10
1)Display off
2)No movement
of Variac
1)Sensing
transformer
Faulty
2)loose connection
1)Replace transformer
2) Connect properly
11
1)Buzzer
continuously ON
2)Display Shown
Unregulated o/p
Voltage
3)NO Movement
of Variac
1) Limit Switch Connector
Faulty present on Display
card
2)Limit Switch Connected
wire Problem or loose
connection
1)Check and replace the connector
2) Loose connection Tighten
3)Check Faulty wire And replace