Diagnostic Codes
312062A 31
Diagnostic Codes
Temperature Control Diagnostic Codes
Temperature control diagnostic codes appear on tem-
perature display.
These alarms turn off heat. E99 clears automatically
when communication is regained. Codes E03 through
E06 can be cleared by pressing . For other codes,
turn main power OFF then ON to clear.
See repair manual for corrective action.
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 predetermined amount of
time (varies for different warnings), or until main power
is turned OFF then ON .
Code Code Name Alarm Zone
01 High fluid temperature Individual
02 High current Individual
03 No current Individual
04 FTS not connected Individual
05 Board overtemperature Individual
06 Loss of zone communication Individual
30 Momentary loss of communication All
99 Loss of display communication All
For hose zone only, if FTS is disconnected at star-
tup, display will show hose current 0A.
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 Reactor Repair-Parts manual 312063.
To change the default pressure imbalance setting,
see page 24.
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 communication Alarm
31 Pumpline switch failure/high cycle
rate
Alarm
99 Loss of communication Alarm
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