Messages; Signal Tones; Function Messages; Selection Messages - Bosch ACS 400 Betriebsanleitung

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12.

Messages

i
When maintenance or fault messages are
displayed, an acoustic signal sounds .
1.1

Signal tones

Interrupted signal tone:
Indicates beginning of oil injection phase or
that current process is complete .
Signal tone:
Fault in system with error message .
1.

Function messages

Stoppage
-PWA-
Checking pressure value .
-PW5-
No pressure
-MWP-
Start of recovery/recycling phase .
-5WA-
Start of vacuum phase .
-5WP-
Start of oil injection .
in-
W0il
Phase (180 seconds), in which possible pressure
-5WC-
increases are identified (in this case, the recovery/
recycling phase is activated immediately) . At the
same time, any recovered oil from the A/C system
is drained into the waste oil reservoir .
End phase (60 seconds) for recovery/recycling
-CW0-
phase and cleaning of A/C system .
Log is produced (printer module is a special ac-
Print
cessory) .
1.

Selection messages

Automatic mode
PrWAU
Manual mode
PrWMA
Oil injection activated
inw0il
Oil injection deactivated
now0il
1 689 979 930 (2005-09-23)
1.

Maintenance or fault messages

Carry out maintenance (see section 14)! Pressing
-5WE-
E
the button (> 3 seconds) deletes the message .
The ACS 400/450 can then continue operation .
Insufficient quantity of coolant in internal coolant
noWFL
cylinder . Fill coolant cylinder .
Excess pressure in internal coolant cylinder . Wait
-HWP-
for approx . 30 minutes and then start recovery/re-
cycling phase again . If the fault is not eliminated,
notify customer service .
Highest permissible absolute weight . This value
-PWM-
cannot be exceeded .
Limit value reached (adjustable in manual recove-
-PWL-
ry/recycling phase) . Press
lant quantity in internal coolant cylinder .
Excess pressure during pressure check at start of
-EWE-
vacuum phase . The vacuum phase cannot be exe-
cuted if pressure is present . Perform recovery/
recycling phase . Pressing the
conds) deletes the message .
The maximum permissible time for the durati-
-EWl-
on of the recovery/recycling phase has been rea-
ched . Read off pressure values on manometer . If
pressure is present, the ACS 400/450 may be de-
fective (notify customer service) . If no pressure is
present, either the vehicle A/C system or the ACS
400/450 oil drainage valve has a leak .
Vehicle A/C system has a leak . This message ap-
-EW2-
pears if there is an increase in the pressure value
during pressure loss measurement (4 minutes) .
Repair vehicle A/C system .
The maximum permissible time for the duration of
-EW3-
the filling phase has been reached . It is likely that
the pressure values in the internal coolant cylinder
and in the vehicle A/C system are the same . Press
E
button to acknowledge the message .
Excess pressure during pressure check at start of
-EW4-
oil injection phase . This phase is carried out exclu-
sively on A/C systems under a vacuum . Pressing
E
the button (> 3 seconds) deletes the message .
ACS 400/450
E button . Reduce coo-
E
button (> 3 se-
Robert Bosch GmbH