KERN PNJ User Manual

PNJ_PNS-SH-e-2011 - 10 -
5 Troubleschooting procedure
START
„88" appears on
display
Perform initial inspection
YES
Display shows
Is display stable?
Weight
Is capacity display
stable?
YES
Corner error
inspection
YES
Linear error check
OK
Balance operates normal
OK
Check stopper typeNO Re-adjustFAULTY
Is AC Adaptor
connected?
Connect AC Adaptor.
NO
Connectors ar
inserte?
Check memory
content
0- er r / u- err
Reset address data
Not good
Return to initial
inspection
Check output
waveforms
OK
Tunning fork assy failure
FAULTY
Replace tunning fork
assy
Mechanical unit failure
GOOD
Replace mechanical unit
Is supply voltage of
circut correct?
YES
APS-LF board is
normal
AJDP circut board failure
YES
APS-LF board failure
NO
Replace the AJDP circut
board
Replace the APS-LF
board
Linearity calibration
Not Good
Corner error adjustment
Not Good
NO
Display weight
Insert connection
NO
NO
OK

KERN PNJ Specifications

General

Brand	KERN
Model	PNJ
Category	Scales
Language	English