Hi Flow Stroller Technical Service Manual • PN 14314465 Rev
F
20
H
i F
lo
w S
tr
oller
Troubleshooting Chart
X
No
Off/
Spring Scale
Good
Case
Visual
Replace
Defective Part
Low
Battery
LED
Replace*
Battery (RP 2)
QDV Pin
Replace QDV
(RP 15, 16)
Meter 1
LED on
Replace*
Battery (RP 2)
Calibrate
Meter
Meter 1
LED On
Capacitance
Test (RP 7)
Remove
Manifold
(RP 9)
Clean/Dry
Probe &
Dewar (RP 11)
Calibrate
Meter
(RP 5, 6)
Capacitance
Test (RP 7)
Replace
Manifold (RP
9)
Meter 1
LED On
Replace Meter
(RP 8)
Wire
Broken
Replace Feed-
Thru (RP 10)
Capacitance
Test (RP 7)
Reinstall
Manifold
(RP 9)
Resolder Wire
(RP 10)
Fill
QDV
Leaks
During Fill
Replace Lip
Seal (RP 16)
QDV
Leaks
After Fill
Empty &
Warm Dewar
(RP 14)
Fill
QDV
Leaks
After Fill
Empty &
Warm Dewar
(RP 14)
Replace QDV
(RP 15, 16)
Vent
Leaks
Empty &
Warm Dewar
(RP 14)
Replace Vent
Valve (RP 19)
Meter
Indicates
8 LEDs
Empty &
Warm Dewar
(RP 14)
Empty &
Warm Dewar
(RP 14)
Calibrate
Meter
(RP 5, 6)
Suspected
Poor NER
Let Sit 16–18
Hours
Meter
Indicates
4–8 LEDs
Test Flows
(RP 24)
Clean Case
(RP 27)
File Records
Return Unit to
Service
Empty &
Warm Dewar
(RP 14)
Test
Operating
Pressure (RP
25)
Empty &
Warm Dewar
(RP 14)
Empty &
Warm Dewar
(RP 14)
Test
Flowmeter
(RP 26)
Empty &
Warm Dewar
(RP 14)
Empty &
Warm Dewar
(RP 14)
Replace FCV
(RP 20)
Replace
Flowmeter (RP
26)
Plumbing
Leak Test
(RP 18)
Repair Leak
Replace PRV
(RP 22)
Replace PRV
(RP 22)
Pressure
Retention
Test (RP 17)
Refill
Wait 4 Hours
Empty &
Warm Dewar
(RP 14)
Calibrate
Meter (RP 5,
6)
Refill
Let Sit 16–18
Hours
Meter
Indicates
4–8 LEDs
Replace Dewar
Pressure
Retention Test
(RP 17)
Plumbing Leak
Test (RP 18)
Repair Leak
OK
Bad
On
Bad
No
(0 LED)
No
(2–8 LED)
No
Low
Good
High
Yes
No
Good
Bad
Good
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
(0 LED)
No
(1–7 LED)
No
Yes
No
No
Yes
Yes
Pass
Fail
Fail
Pass
Pass
Fail
Fail
Pass
Pass
Fail
Pass
Fail Low
Fail High
Pass
Fail
OK
Yes
Bad
*see NOTE in RP 2
No
Yes
