Error
Error
Error
Location
Location
Location
Type
Type
Type
Description
Description
Description
Cause
Cause
Cause
Solution
Solution
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
temperature 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.
T2DA
Heater A
Low Temperature A
Loose heater
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
temperature 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 heater
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
temperature setpoint.
T2DH
Hose
Low Temperature
Hose
Cold chemical
in unheated
portion of system
passed hose FTS
at startup
Recirculate heated
chemical back to drum
in cold conditions before
startup.
334946J
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