Hitachi HYDRAMAX 309379 - Manual (Page 11)

(Setup)
(AutoClean)
11
309379
DTS Error Codes
No display does not mean that sprayer is not pressurized. Relieve pressure before repair; page 4.
DISPLAY SPRAYER
OPERATION
INDICATION ACTION
Engine runs. Pump stops. Pressure exceeded
4900 psi (338 bar, 34 MPa) Correct over-pressure cause.
Check transducer and control
board. Take to service center.
Engines runs. Pump operates. No
pressure displays. Pressure transducer faulty,
bad connection or broken
wire. Check transducer connection.
Open drain valve. Substitute
new transducer for transducer
in sprayer. If sprayer runs, re-
place transducer.
Engine runs. AutoClean timer cancels. Pressure exceeded
2000 psi (338 bar, 34 MPa)
while in AutoClean. Turn directional valve OFF
Engine runs. Setup is exited. Pressure exceeded
500 psi (34 bar, 3.4 MPa)
while in Setup. Turn directional valve OFF,
then ON.
Engine runs. Pump switch OFF Normal condition Turn pump switch ON.
Increase pressure.
After a fault, follow these steps to restart sprayer:
1. Correct fault condition
2. Turn pump switch OFF
3. Turn pump switch ON