Control Board Diagnostics
312226P
15
Control Board Diagnostics
Display Messages
Relieve pressure before repair; page 7. No display does not mean that sprayer is not pressurized.
After a fault, follow these steps to restart sprayer:
1. Correct fault condition.
2. Turn sprayer OFF.
3. Turn sprayer ON.
Display
Sprayer Operation
Indication
Action
No Display
Sprayer may be pres-
surized.
Loss of power or dis-
play not connected.
Check power source. Relieve pressure before
repair or disassembly. Verify display is con-
nected.
Sprayer may be pres-
surized.
Pressure less than 200
psi (14 bar, 1.4 MPa).
Increase pressure as needed.
Sprayer is pressurized.
Power is applied.
(Pressure varies with
tip size and pressure
control setting.)
Normal operation.
Spray.
Engine and system
continue to run.
Exceeded pressure
limit.
Remove any filter clogs or flow obstructions.
Engine and system
continue to run.
Pressure transducer
faulty, bad connection
or broken wire.
Check transducer connections and wire. Replace
transducer or control board, if necessary.
ti631
4
a
psi
bar
MPa
ti631
5
a
ti6316a
ti631
7
a
