Graco Reactor 2 Repair Parts page 17

Error Codes Codes
Error Error Codes
NOTE: When an error occurs be sure to determine the code before resetting it. If you forget
NOTE: NOTE:
which error code occurred, see the Errors screen to view the last 200 errors, with date, time, and
description.
Error Location
Error Error Location Location
ADM-
05CH
/TCM
A4DA Heater A
A4DB Heater B
A4DH Hose
334946J
Type Description
Type Type Description Description
Hose re-calibration
recommended
High Current A
High Current B
High Current Hose
Cause Cause Cause Solution
Solution Solution
Hose Resistance
Re-calibrate the hose.
Mode is selected
Follow the
and TCM
Procedure, page
has been
replaced without
re-calibration.
Hose Resistance
Re-calibrate the hose.
Mode is selected
Follow the
and ADM has
Procedure, page
been moved
to a new
system without
re-calibration.
Short circuit in Check wiring for touching
heater wiring. wires.
Bad Heater. Confirm resistance of
heater. Heater resistance
should be 18–21 Ω for
each heater element,
9–12 Ω combined for 10
kW systems, 6-8 Ω for
15 kW systems, and 4–6
Ω for 20 kW systems. If
out of tolerance, replace
heater element.
Short circuit in Check wiring for touching
heater wiring. wires.
Bad Heater. Confirm resistance of
heater. Heater resistance
should be 18–21 Ω for
each heater element,
9–12 Ω combined for 10
kW systems, 6-8 Ω for
15 kW systems, and 4–6
Ω for 20 kW systems. If
out of tolerance, replace
heater element.
Short circuit in Check continuity of
hose wiring. transformer windings.
Normal readings are
about 0.2Ω on both
primary and secondary.
If reading is 0Ω replace
transformer.
Check for shorts between
the primary winding and
the support frame or
enclosure.
Troubleshooting
Calibration
68.
Calibration
68.
17