Motor Control Diagnostic Codes - Graco REACTOR H-VR Operation

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 to clear.
NOTE:
Alarms can also be cleared, except for code 23, by
pressing .
NOTE:
Code 24 (pressure imbalance) is set to an alarm default
of 500 psi (3.5 MPa, 35 bar). To change to a warning,
see Reactor Repair-Parts manual 313540. To change
the default pressure imbalance setting, see page 27.
313539F
Warnings
Reactor will continue to run. Press
warning will not recur for a predetermined 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
Diagnostic Codes
to clear. A
.
Alarm or
Warning
Alarm
Alarm
Alarm
Selectable;
see repair
manual
Alarm
Alarm
Alarm
Alarm
35