Diagnostic Codes - Graco E Series Operation

Diagnostic Codes

Temperature Control Diagnostic Codes
Temperature control diagnostic codes E01 through E05
appear on temperature display.
These alarms turn off heat. Turn main power OFF
then ON
See repair manual for corrective action.
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.
See repair manual for corrective action.
Alarms
Alarms turn off Reactor. Turn main power OFF
then ON to clear.
Alarms can also be cleared, except for code 23,
by pressing .
309551C
to clear.
Code Code Name
No.
01 High fluid temperature
02 High hose current
03 No hose current with hose heater on
04 FTS or thermocouple not connected
05 Board overtemperature
For hose zone only, if FTS is disconnected at star-
tup, display will show hose current 0A.
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
25 High line voltage
26 Low line voltage
27 High motor temperature
28 High current
29 Brush wear
Diagnostic Codes
Alarm Zone
Individual
Hose only
Hose only
Individual
All
to clear. A
.
Alarm or Warning
Alarm
Alarm
Alarm
Selectable; see
repair manual
Alarm
Alarm
Alarm
Alarm
Warning
35