Diagnostic Guide - OHAUS Valor 2000 Service Manual

CHAPTER 2 DIAGNOSTIC GUIDE

2.2.4 Diagnostic Guide

Symptom
Unstable weight
-----
--C--
CLEAr PAN
dONE
-OFF-
-NO-
loBat
CAL E
Err 1
Err 2
Err 9
Err14
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TABLE 2-4. DIAGNOSTIC GUIDE
Possible Cause
Air flow may be blocked to
scale because rear feet are
tightened completely.
Busy message
Busy message
Clear pan message
Done message
Off message
No message
Low Battery
Calibration Error
Error 1: Overload limit
exceeded
Error 2: Underload limit
exceeded
Error 9: Menu data checksum
error
Error 14: Initial Zero limit error
Remedy
Adjust rear feet at least slightly to
allow proper air flow. (They should
be tightened when scale is washed.)
Displayed while zero or tare function
is in process
Displayed while calibration data is
being collected.
Weight reading exceeds zero limit.
Remove load from scale.
Calibration process is completed.
Scale is turning off.
Requested action is not allowed.
Battery charge is too low.
Recharge battery.
Calibration point value is outside of
acceptable range. (See Appendix A
or B.)
Weight reading exceeds capacity
plus 9d. Remove load from scale.
Recalibrate scale.
Weight reading is below calibration
zero value by 30% of scale capacity.
Add load to scale. Recalibrate scale.
Menu data in EEPROM is corrupted.
Cycle power on and off. If error
continues, check menu settings.
If problem continues, replace PCB.
Weight reading exceeds 10%
Power On Zero limit when LFT is set
to ON.
Place platform on the balance. If the
problem continues, add a small
amount of weight at power on. If the
problem persists, perform span and
linearity calibration from Service
menu. (See Appendix B.)
2-6 Valor™ 2000 Series Service Manual