Hardy HI 2151/30WC Single-Scale Controller - Manual (Page 129)

Chapter 8 - Troubleshooting
8-9
A - Guidelines for
Instabilities on
Formerly Operating
Systems
Press TST/CLR: To START INTEGRATED TECHNICIAN
( I.T.) diagnostic program
Select System Check: SYS_TST Press: ENTER
This program level
isolates the instrument
from the rest of the
weigh system and
checks the internal
electronics stability
Monitor the display for
stability
STABLE ?
Press ENTER
to continue testing
This next step isolates
the controller and
loadpoint signal cable
from the weight
vessel. Tests the
controller and loadcell
signal cable to the I.T.
JUNCTION BOX.
STABLE ?
Yes
Cont.
C
A
STABLE ?
Monitor the
Display for stability
A1
Verify tight cable connections and
cable integrity.
Replace
Integrated Technician
Summing card
NO
YES
NO
B1
NO
STABLE ?
NO
YES
YES