
© Flow International Corporation
M-416 | 31
CHAPTER 3
Maintenance & Troubleshooting
27253 Cylinder overtemp warning
•
Dynamic seal starting to fail
•
Cracked dynamic seal carrier
•
Damaged plunger
•
Debris under or failed inlet poppet
•
Cracked check body
•
Cracked UHP cylinder
•
Check pump hours, and install the appropriate required maintenance
kit.
•
Disassemble pump and inspect all components as per maintenance
procedures in this manual. Repair/replace as required.
Temperature sensor offset adjustment routine has not
been run on new pump.
Run Temperature Input Offset Adjustment Routine.
Faulty thermistors or poor cable connection.
Inspect sensors and cables. Replace if necessary.
27258 Crankcase overtemp warning
Low oil level
Add oil to crankcase.
Problems in crankshaft/rotating group
Contact Flow Technical Service.
Faulty cable coming from the multi-port box
Inspect the cable assembly (A-26009-1) at the multi-port box. Replace if
necessary.
27251 Overpressure warning
Debris in PCV poppet seat
Remove PCV and clean poppet/seat to remove debris. Replace pop-
pet/seat if required.
Note:
Debris in the seal can also cause an underpressure problem.
Control air pressure to PCV set too high
Run the Pump Pressure Control System calibration routine.
Note:
Max. pressure for PCV is 70 psi (4.82 bar).
Damaged PCV piston
Repair/replace piston and/or piston seals.
UHP transmitter-related problem
Inspect the UHP sensor cable assembly at the multi-port box. Replace if
necessary.
27254 Pump health warning
One of the high-pressure cylinders is no
longer producing pressure
Immediate service is required (dynamic seals and/or check valves).
Debris under or failed outlet poppet/seat in check
valve assembly
Disassemble pump and inspect all components, paying special attention to
the check valve outlet poppet area. Follow the maintenance procedures in
this manual to repair or replace parts as required.
27252 Pressure calbration is in process
•
Pressure calibration routine has been initiated by operator
27256 Temperature sensor calibration is in process.
•
Temperature sensor offset adjustment routine has been initiated either
by operator
•
Pump has not been started for more than 2 hours (automatic temp.
sensor cal. routine)
Summary of Contents for HYPLEX
Page 1: ...HYPLEX PRIME PUMP M 416 REV C MAY 2012 ...
Page 7: ... Flow International Corporation M 416 7 CHAPTER 1 Equipment Description ...
Page 8: ...8 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 9: ... Flow International Corporation M 416 9 CHAPTER 1 Equipment Description ...
Page 18: ...Notes 18 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 33: ... Flow International Corporation M 416 33 CHAPTER 3 Maintenance Troubleshooting ...
Page 40: ...Notes 40 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 66: ...Notes 66 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 78: ...Notes 78 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 82: ...Notes 82 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 94: ...Notes 94 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 100: ...Notes 100 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...