Connection Diagram Of Driving Board; Troubleshooting & Precautions - Launch CNC-602A User Manual

LAUNCH
replacement.
I Replacing filter
The equipment filter has been fixed behind the
main unit, if you want exchange it you must
remove the back board and loose the clamp,
take the filter out and exchange a new one.
Filter

3. Connection Diagram of Driving Board

Description:
No.
1 Insert piece for power supply marked "-"
2 Insert piece for fuel pump marked "-"
3 Insert piece for fuel pump marked "+"
4 Insert piece for power supply marked "+"
5 Socket for level switch
6 Power socket
7 Extension socket
4. Troubleshooting & Precautions
Troubleshooting
1. The unit does not correspond when it is switched on.
Check the fuse at lower right side of the unit and replace
it (AC 250V/5A) if it is damaged or broken.
2. There is leakage in the fuel distributor coupler.
Check the o-rings and replace it if it is damaged or
unfitted. Do not tighten the two riffle screws too tightly;
otherwise, it may cause leakage.
3. The fuel pressure drops slowly.
The fuel pressure can not drop to zero within 1～2
Tlamp
Fig.11
Part Name
Injector Cleaner & Tester User's Manual
I Replacing fuel pump filter
The fuel pump filter has been fixed in the
pump bottom, if you want exchange it you
must remove the back board and remove the
s ealing cover for fuel pump then take out fuel pump
sleeve, pull out the pump filter and exchange a new
one.
Sealing cover for fuel pump;
1-pump; 2-
4-Pump filter; 5-
Fig.13
No.
8 Socket for solenoid valve control cable
9 Relay for solenoid valve
10 Fuse for solenoid valve
11 Insert piece for power supply marked "+"
12 Socket for injector pulse signal cables
13 Insert piece for power supply marked "-"
minutes, slightly turn the overflow valve with inner
hexagonal spanner counterclockwise.
4. The buzzer rings continually when there is no fuel
pressure.
The machine has fuel-lack warning function and it will
ring when the liquid in the fuel tank is lack, and then
automatically switch off the fuel pump and injectors and
returns to the stop state. Supply the detergent or test
liquid to stop ringing. At this time, pressing [RUN] key is
12
Fig.12
Fuel pump sleeve;
3-
Cross bulged screw; 6-Tuel tank.
Part Name