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Problem
Maximum pressure is ~3,300 psi.
Unit runs slow.
Unit builds full pressure, but torque
wrench fails to advance.
Torque wrench fails to retract.
Pressure indicator does not read
zero (0) psi/bar when pump is
stopped.
TSP power pack does not run at all.
Display shows CODE 03.
3A6884B
Cause
High pressure pump issue.
Air in hydraulic system.
Unit set to 15A setting (120V
only).
Hose connection filter
plugged.
Hi-flow pump issue.
High pressure pump issue.
4-way valve issue.
Torque is greater than
wrench capacity at full
pressure.
Advance flow line to wrench
is restricted or blocked.
Return flow from wrench is
restricted or blocked.
Pressure not relieved.
Pressure indicator or gauge
is out of calibration.
Transducer connection
issue (control board is not
detecting a pressure signal).
Troubleshooting
Solution
Replace high pressure pump, see Pump
Replacement page 30.
Check oil level and fill as needed. Perform
Prime TSP Power Pack Procedure page
12 and Hose Prime Procedure page 13.
Connect to a 20 Amp circuit and set
switch to 20A setting.
Switch hose connection to other
connectors. Replace filter fitting as
needed.
Replace hi-flow pump, see Pump
Replacement page 30.
Replace high pressure pump, see Pump
Replacement page 30.
Replace 4-way valve, see 4-Way Valve
Replacement page 34.
Use a torque wrench with a larger
capacity.
Check hose couplers for full engagement.
Check hose couplers for full engagement.
Perform Pressure Relief Procedure
page 10.
Replace pressure transducer or
recalibrate with Calibration Procedure
page 28.
1.
Set TSP power pack to OFF and
disconnect power to TSP power
pack.
2.
Check transducer connection.
3.
Disconnect transducer from
connector. Check to see if transducer
contacts are clean and secure.
4.
Reconnect transducer and
connector. Connect power, turn TSP
power pack ON and press Advance
Switch. If TSP power pack does not
run, set TSP power pack to OFF and
proceed to next step.
5.
Connect a confirmed working
transducer to transducer connector.
6.
Turn TSP power pack ON and press
Advance Switch. If TSP power pack
runs, install new transducer. Replace
control board if TSP power pack does
not run.
21
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