Motor Control Diagnostic Codes; Alarms; Warnings - Graco REACTOR E-20 Repair Manual

Motor Control Diagnostic Codes

Motor control diagnostic codes E21 through E29 appear
on pressure display.
There are two types of motor control codes: alarms and
warnings. Alarms take priority over warnings.

Alarms

Alarms turn off Reactor. Turn main power OFF
then ON to clear.
Code Code Name
No.
21 No transducer (component A)
22 No transducer (component B)
23 High pressure
24 Pressure imbalance
25 High line voltage
26 Low line voltage
27 High motor temperature
28 High current
29 Brush wear
99 Communication Error 2
309574L
Alarms can also be cleared, except for code 23,
by pressing

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
Alarm (A) or Corrective
Warning (W) Action page
A 16
A 16
A 16
A/W (to select, 16
see page 34)
A 18
A 18
A 18
A 18
W 19
Motor Control Diagnostic Codes
.
to clear. A
then ON .
15