Chapter 9 - Torubleshooting and Repair
9-3
System Troubleshooting
Drift
TROUBLE
PROBABLE CAUSE
REMEDY
Drift Weight Indications
1.
Load Cell causing
the problem.
2.
Internal software
or hardware problem
Install a Resistor Shunt
Bridge to determine if
external or internal
problem. See Chapter
8 for instructions.
Checking if Drift
Problem is Internal
or External
Step 1. Disconnect the power cord from the power source.
Step 2. Disconnect the load cell connector at the rear panel.
Step 3. Install a Resistor Shunt Bridge. (See Fig. 9-1)
+EXC
+S
EN
+S
IG
-S
IG
-S
EN
-E
XC
DA
TA
GND
NC
Ha
lf W
at
t
Qt
r W
at
t
Qt
r W
at
t
Ha
lf W
at
t
FIG. 9-1 RESISTOR SHUNT BRIDGE DIAGRAM
NOTE:
Use four resistors of the same value. Resistance between 120 and 350 ohms.
Step 4. Connect the power cord to the power source.
Step 5. Wait 5 minutes.
Step 6. Check for stability.
Result 1. If the weight still drifts, the problem is internal. Contact your
local representative or call Hardy Customer Service for assis-
tance.
Summary of Contents for HI 2160RC PLUS
Page 1: ...HI 2160RCPLUS Rate Controller Operation and Installation Manual ...
Page 23: ...HI 2160RCPLUS MANUAL 2 6 ...
Page 49: ...HI 2160RCPLUS MANUAL 3 26 ...
Page 67: ...HI 2160RCPLUS MANUAL 4 18 ...
Page 91: ...HI 2160RCPLUS MANUAL 5 24 ...
Page 151: ...HI 2160RCPLUS MANUAL 7 12 ...
Page 187: ...HI 2160RCPLUS MANUAL 8 36 ...
Page 207: ...HI 2160RCPLUS MANUAL 9 20 ...
Page 219: ...Data Worksheets WKSHT 6 ...