Graco Reactor 2 H-30 Repair Parts page 28

Troubleshooting
Error Location
Error Error Location Location
T2DA Heater A
T2DB Heater B
T2DH Hose
28
Type Description
Type Type Description Description
Low Temperature A
Low Temperature B
Low Temperature
Hose
Cause Solution
Cause Cause Solution Solution
Flow is too high at Use a smaller mix chamber
current setpoint that is rated for the unit
in use. If recirculating,
decrease flow or decrease
temperature setpoint.
Bad RTD or bad Swap A and B heater output
RTD placement cables and RTD cables and
against heater see if issue follows. If so,
replace RTD.
Bad heater Confirm resistance of
element 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.
Loose heater wires Check for loose heater
element wires.
Flow is too high at Use a smaller mix chamber
current setpoint that is rated for the unit
in use. If recirculating,
decrease flow or decrease
temperature setpoint.
Bad RTD or bad Swap A and B heater output
RTD placement cables and RTD cables and
against heater see if issue follows. If so,
replace RTD.
Bad heater Confirm resistance of
element 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.
Loose heater wires Check for loose heater
element wires.
Flow is too high at Use a smaller mix chamber
current setpoint that is rated for the unit
in use. If recirculating,
decrease flow or decrease
temperature setpoint.
Cold chemical in Recirculate heated
unheated portion chemical back to drum
of system passed in cold conditions before
hose FTS at startup.
startup
334946H