Graco Reactor E-20 AH9030 [10/76] Temperature control diagnostic codes

Graco Reactor E-20 CH9034 [10/76] Temperature control diagnostic codes
Temperature Control Diagnostic Codes
10 312066ZAF
Temperature Control Diagnostic Codes
Temperature control diagnostic codes appear on
temperature 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.
NOTE: For hose zone only, if FTS is disconnected at
startup, display will show hose current 0A.
E01: High fluid temperature
Causes of E01 Errors
Thermocouple A or B (310) senses a fluid
temperature above 230°F (110°C).
Fluid temperature sensor (FTS) senses a fluid
temperature above 230°F (110°C).
Overtemperature switch A or B (308) senses a fluid
temperature above 230°F (110°C) and opens. At
190°F (87°C) the switch closes again.
Thermocouple A or B (310) fails, is damaged, is not
touching the heater element (307), or has a poor
connection to the temperature control board.
Overtemperature switch A or B (308) fails in the
open position.
The temperature control board fails to turn off any
heat zone.
Zone power wires or thermocouples are switched
from one zone to another.
Failed heater element where thermocouple is
installed.
Loose wire
On 6.0 and 10.2 kW heater models only: Jumper
wire on J1 connector, between module (3) and
display (4), is loose or incorrectly wired.
Checks
Check which zone is displaying the E01 error.
1. Check that connector B is firmly plugged into
temperature control board (see FIG. 5, page 39).
2. Clean and re-plug connections.
Code Code Name Alarm
Zone
Corrective
Action page
01 High fluid
temperature
Individual 10
02 High zone current Individual 11
03 No zone current with
hose heater on
Individual 12
04 FTS not connected Individual 12
05 Board
overtemperature
Individual 12
06 Communication cable
unplugged from
module
Individual 12
99 Loss of
communication
ALL 18
Troubleshooting this equipment requires access to
parts that may cause electric shock or other serious
injury if work is not performed properly. Have a
qualified electrician perform all electrical
troubleshooting. Be sure to shut off all power to the
equipment before repairing.

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