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212 Service Manual Part No.: 4417340 Revision 1
954 SmartServo FlexLine
Figure 7-39: Picture of 3 LEDs
7.3.11.4 Error Handling
Errors Possible Reason Resolution
LCD not displaying data 1.LCD is not connected properly to
CAN-LCD board
2.Contrast value is set to Low value
(less than 20)
1) Perform Pixel test by
issuing command from
Engauge to check LCD is
switching on all pixels for
2 seconds and switching
off for 2 seconds
respectively. Even after
Pixel test also, LCD is not
displaying any data,
contact service engineer
2) Entering LCD Switch off
time as zero will switch on
the LCD and start
displaying data. Even
after configuing LCD
switch off time as zero,
LCD is not displaying
data, contact service
engineer
LCD displaying INVALID
data
1.Board health is not GOOD
2.PV status is not GOOD
3.CAN communication fails
Check Board Error using
Engauge and take
appropriate action.
LCD not displaying after
when covering Ambient
Light Sensor with hand or
flash on the Ambient Light
Sensor (at least for 5
seconds)
1. Ambient Light Sensor Failed
2. Ambient Light Sensor threshold
is not configured with appropriate
Check Ambient Light Sensor
activation indicator LED blinks
for 5 seconds continuously
when covering it with Hand or
Flashing light on it. If it is not
blinking for 5 seconds,
contact service engineer.
Data refresh indicator LED
Light Sensor Activation Indicator
LED Board Health Indicator LED
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