Hi Flow Stroller Technical Service Manual • PN 14314465 Rev
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Repair Procedures
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RP5 – G4 Meter Empty Capacitance Calibration (Figure 9)
a. Completely empty dewar.
b. Allow dewar to warm to room temperature.
c. Enter Calibration Mode
1. Press and hold the hidden calibrate button located on the
center of the meter face.
2. While holding the calibrate button, press and hold the
green operate button.
3. Continue holding both buttons until LED 1 and LED 8 al-
ternately flash. The meter is now in calibration mode.
4. Release both buttons.
d. Press and hold the hidden calibrate button for 3 seconds. LED
1 will flash for 3 seconds followed by a short pause.
e. If successful, LED 1 will flash again for 3 seconds and exit
calibration mode storing the new empty value.
f. If calibration is unsuccessful, multiple LEDs will flash. The
LEDs indicate what error has occurred (see Table 2).
RP6 – G4 Meter Span Setting Adjustment (Figure 9)
a. Enter Calibration Mode
NOTE: Step d must be performed within 45 seconds or calibra-
tion mode will exit.
Error Code
Reason for Fault
Solution
LED 1 & LED 4 Empty to full span is
too low.
Ensure tank is empty.
Recalibrate.
LED 2 & LED 3
Open Circuit
Check meter connections
and wire integrity.
LED 6 & LED 7 Empty capacitance
is too high.
Remove moisture
from inner vessel.
Decontaminate probe.
LED 5 & LED 8 Empty to full span is
too high.
Ensure tank is empty.
Recalibrate.
LED 2, LED 4 &
LED 6
High Capacitance
Remove moisture
from inner vessel.
Decontaminate probe.
LED 1, LED 3,
LED 5 & LED 7
Calibrated full value
less than empty
value.
Dry harrness assembly.
Decontaminate.
TABLE 2: Calibration Error Codes
LED 8
LED 1
Calibrate Button
(Hidden)
Operate Button
FIGURE 9: G4 Meter
NOTE: The meter must first be calibrated empty and then the
span must be set for your particular model. The unit must be
empty, warm, and dry for calibration.
