Diagnostic Codes
39
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.
Warnings
Reactor will continue to run. Press to
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 .
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.
Code
No.
Code Name Alarm or
Warning
21 No transducer (component A) Alarm
22 No transducer (component B) Alarm
23 High pressure Alarm
24 Pressure imbalance Selectable;
see repair
manual
27 High motor temperature Alarm
30 Momentary loss of communi-
cation
Alarm
31 Pumpline switch failure/high
cycle rate
Alarm
99 Loss of communication Alarm
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