1
27
Lib
er
at
ors
Repair Procedures
XII
RP 7 – G4 Meter Error Codes (Figure 11)
The table below identifies the error codes that one is likely to come
across.
LEDs
Name
Reason
Notes
Solution
2,3
Low Cap
Empty capacitance less than
100 PF
When calibrating empty
Check for loose connect
ion
s
and recalibrate
6,7
High Cap
Empty capacitance greater
than 300 PF
When calibrating empty
Remove moisture and debris
from probe
1,4
Low Span
Span less than 30 PF
When calibrating full
Empty unit and recalibrate
5,8
High Span
Span greater than 80 PF
When calibrating full
Empty unit and recalibrate
1,3,5,7
Range
The new full cap value is less
than empty cap value
When calibrating full
Empty unit and recalibrate
TABLE 6:
Calibration Errors
TABLE 7:
Operation Errors
LEDs
Name
Reason
Notes
Solution
2,4,6
High Cap
Reading is 120 PF above calibrated
full value
Moisture/
Debris on probe
Remove moisture and debris
from probe and recalibrate
Low Batt, 2,4,6
Bad Cal
Allow span cal setting to time out
w/o pressing green button
New meter revision fixed
Recalibrate
1,3,5,7
Low Cap
Cap reading is 5 PF or greater less
than calibrated empty value
Moisture in harness; added with
new meter rev (on all
telemetry meters)
Completely dry harness
assembly and recalibrate
FIGURE 11:
Calibration Errors
LED 8
LED 1
Calibrate Button
(Hidden)
Operate Button
Liberators Technical Service Manual • PN 13350704 Rev
K
