Digital Display Messages - Graco HTX 313888B Operation Manual

Digital Display Messages

Digital Display Messages
DISPLAY* SPRAYER OPERATION
No Display Sprayer may be
pressurized
Sprayer may be
pressurized
ti6314a
BASE Displays installed pump
or when engine is started
TOP
OFF Displays flow control
FLOW 1 setting in Base Coat mode
FLOW 2 when pump control setting
or is changed
FLOW 3
Sprayer is pressurized.
Power is applied. (Pressure
varies with tip size and
pressure control setting.)
ti6315a
Top Coat Only: Sprayer
stops. Engine is running.
ti6316a
Sprayer stops. Engine is
running.
ti6317a
Sprayer stops. Engine is
running.
ti6318a
Base Coat Only: Sprayer
stops. Engine is running.
* Error codes also appear on control board as a blinking red
LED. LED is an alternate to digital messages.
1 Remove two screws (71) and swing down cover (130).
2 Start engine. Blink count is the same as error code(E=0X).
20
INDICATION
Loss of power or Check power source. Relieve pressure before repair
display not connected or disassembly. Verify display is connected.
Pressure less than Increase pressure as needed
60 psi (4 bar, 0.4 MPa)
Normal operation Spray
Normal operation Spray
(with Base Coat pump)
Normal operation Spray
Pressure greater than 1
4500 psi (310 bar, 31
2
MPa)
3
Pressure transducer 1
faulty, bad connection
2
or broken wire
3
High clutch current 1
2
3
Pressure greater than 1
1000 psi (69 bar, 6.9
2
MPa)
3
After a fault, follow these steps to restart sprayer:
1 Correct fault condition.
2 Turn sprayer OFF.
3 Turn sprayer ON.
(E02 and E06 errors will self-correct when system is reduced)
ACTION
Check fluid path for clogs.
Use Graco paint hose, 3/8 in. x 50 ft minimum.
Smaller hose or metal braid hose may result in
pressure spikes.
Replace transducer if fluid path is not clogged and
proper hose is used.
Check transducer connection.
Disconnect and reconnect transducer plug to
ensure good connection with control board
socket.
Open prime valve. Replace sprayer transducer
with known good transducer and run sprayer.
Replace transducer if sprayer runs or control
board if sprayer does not run.
Check wiring connections.
Measure: 1.7 + 0.2Ω across clutch field at 70°F.
Replace clutch field assembly.
Open prime valve and gun.
Verify no flow obstructions. Use Graco texture
hoses 3/4 in. x 50 ft minimum.
Replace transducer if fluid path is not clogged and
proper hose is used.
313888B