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Error
Error
Error Codes
Codes
Codes
NOTE:
NOTE:
NOTE: When an error occurs be sure to determine the code before resetting it. If you forget
which error code occurred, see the Errors screen to view the last 200 errors, with date, time, and
description.
Error
Error
Error
Location
Location
Location
Type
Type
Type
Description
Description
Description
Cause
Cause
Cause
Solution
Solution
Solution
Hose Resistance
Mode is selected
and TCM
has been
replaced without
re-calibration.
Re-calibrate the hose.
Follow the
.
05CH
ADM-
/TCM
Hose re-calibration
recommended
Hose Resistance
Mode is selected
and ADM has
been moved
to a new
system without
re-calibration.
Re-calibrate the hose.
Follow the
.
Short circuit in
heater wiring.
Check wiring for touching
wires.
A4DA
Heater A
High Current A
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
heater wiring.
Check wiring for touching
wires.
A4DB
Heater B
High Current B
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.
Check continuity of
transformer windings.
Normal readings are
about 0.2Ω on both
primary and secondary.
If reading is 0Ω replace
transformer.
A4DH
Hose
High Current Hose
Short circuit in
hose wiring.
Check for shorts between
the primary winding and
the support frame or
enclosure.
334946J
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