Graco Reactor 2 H-30 Repair Manual page 28

Troubleshooting
Error Location
Error Error Location Location
T2DB Heater B
T2DH Hose
T2FA HCM
T2FB
HCM
28
Type Description
Type Type Description Description
Low Temperature B
Low Temperature
Hose
Low Temperature
Inlet A
Low Temperature
Inlet B
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 Check for loose heater
wires.
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.
Inlet fluid Recirculate fluid through
temperature is heaters until inlet fluid
below the defined temperature is above
level. defined error level.
Increase the low
temperature deviation
level on the System Setup
screen.
Inlet fluid Recirculate fluid through
temperature is heaters until inlet fluid
below the defined temperature is above
level. defined error level.
Increase the low
temperature deviation
level on the System Setup
screen.
334946C