Motor Control Diagnostic Codes - Graco Reactor H-40 Operation

Diagnostic Codes

Motor Control Diagnostic Codes

Motor control diagnostic codes E21 through
E27 appear on pressure display.
There are two types of motor control codes:
alarms and warnings. Alarms take priority over
warnings.
See repair manual for corrective action.
Alarms
Alarms turn off Reactor. Turn main power OFF
then ON
Alarms can also be cleared, except for
code 23, by pressing
Code 24 (pressure imbalance) is set to
an alarm default of 500 psi (3.5 MPa, 35
bar). To change to a warning, see Reac-
tor Repair-Parts manual 312063. To
change the default pressure imbalance
setting, see page 30.
to clear.
.
Warnings
Reactor will continue to run. Press
clear. A warning will not recur for a predeter-
mined amount of time (varies for different
warnings), or until main power is turned OFF
then ON
Code Code Name
No.
21 No transducer (component A)
22 No transducer (component B)
23 High pressure
24 Pressure imbalance
27 High motor temperature
30 Momentary loss of communi-
cation
31 Pumpline switch failure/high
cycle rate
99 Loss of communication
to
.
Alarm or
Warning
Alarm
Alarm
Alarm
Selectable;
see repair
manual
Alarm
Alarm
Alarm
Alarm
39