Bosch ACS 652 Repair Instruction page 34

en 34 | ACS 652 | Component test
14. Component test
14.1 LCD
!
Follow the additional ACS 652 menu prompting.
1. Call up the start screen.
2. Press <3> and <Flush> simultaneously and release.
 The message ENTER CODE 0000
1515
and confirm with E .
3. Enter
4. Select "DISPLAY TEST" with o u and confirm with
E .
i
Return with <Stop>
i
All display pixels, followed by the LED displays, are
activated in sequence to ensure that they function
properly.
14.2 Outputs
!
During this process, parts of the refrigerant circuit
are opened that may be pressurized. Therefore, make
sure beforehand that the pressure has been drained
from the refrigerant circuit (see section 10.1).
!
Follow the additional ACS 652 menu prompting.
1. Call up the start screen.
2. Press <3> and <Flush> simultaneously and release.
 The message
ENTER CODE 0000
1515
and confirm with E .
3. Enter
4. Select "OUTPUTS TEST" with o u and confirm
with E .
i
Return with <Stop>
i
As soon as the outputs function test has been called
up, the compressor starts.
5. Press E to actuate the components in turn.
 The values switch in the following order:
Compressor
Vacuum pump
Solenoid valve EV1 - EV2 (EV2 not used)
Solenoid valve EV3 - EV4 (EV4 not used)
Solenoid valve EV5
Solenoid valve EV6
Solenoid valve EV7
Solenoid valve EV8
Solenoid valve EV9
Solenoid valve EV10
EVHP1 – EVHP2.
EVLP1 – EVLP2.
EV11 – EVFLU (not used).
i
Return with <Stop>.
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14.3
!
Follow the additional ACS 652 menu prompting.
1. Call up the start screen.
2. Press <3> and <Flush> simultaneously and release.
 The message
3. Enter
4. Select "INPUTS TEST" with o u and confirm with
is displayed.
E .
i
Return with <Stop>.
 In order, the screen shows:
$
Weight of the internal refrigerant cylinder
$
Weight of the fresh oil bottle
$
Weight o the used oil bottle
$
Pressure sensor value
i
The values measured by the scales are absolute val-
ues, that means the real weight on the scales.
14.4
i
This function starts a short test print.
!
Heed the ACS 652 menu prompting.
1. Call up start screen.
2. Press <3> and <Flush> simultaneously and release.
 The message
is displayed.
3. Enter
4. Select "PRINTER TEST " with o u and confirm
with E .
i
Return with <Stop>.
Control PCB input signal
ENTER CODE 0000
1515
and confirm with E .
Printer
ENTER CODE 0000
1515
and confirm with E .
is displayed.
is displayed.
Robert Bosch GmbH