Troubleshooting
Error Location Type Description
Cause Solution
Flow is too high at
current setpoint.
Use a smaller mix chamber
that is rated for the unit
in use. If recirculating,
decrease flow or decrease
tempera ture setpoint.
Bad RTD or bad
RTD placement
against heater.
Swap A and B heater output
cables and RTD cables and
see if issue follows. If so,
replace RTD.
Bad heater
element.
Confirm resistance of
heater. Heater resistance
should be 9-12 Ω for 10
kW systems and 6-8 Ω for
15 kW systems. If out of
tolerance, replace heater
element.
T2DB Heater B Low Temperature B
Loose he ater
wires.
Check for loose heater
element wires.
Flow is too high at
current setpoint.
Use a smaller mix chamber
that is rated for the unit
in use. If recirculating,
decrease flow or decrease
tempera ture setpoint.
T2DH Hose Low Temperature
Hose
Cold chemical in
unheated portion
of system passed
hose FTS at
startup.
Recirculate heated
chem ical back to drum
in cold conditions before
startup.
Recirculate fluid through
heaters until inlet fluid
tempera ture is above
defined error level.
T2FA
HCM
Low Temperature
Inlet A
Inlet fluid
temperature is
below the defined
level.
Increase the low
tempera ture deviation
level on the System Setup
screen.
Recirculate fluid through
heaters until inlet fluid
tempera ture is above
defined error level.
T2FB
HCM
Low Temperature
Inlet B
Inlet fluid
temperature is
below the defined
level.
Increase the low
tempera ture deviation
level on the System Setup
screen.
334946A 29
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