Graco Reactor 2 Repair Parts page 35

Error Location
Error Error Location Location
Heater B
T8DB
T8DH Hose
V1IT TCM
V2IT TCM
V2MA TCM
V2MB TCM
334946J
Type Description
Type Type Description Description
No Temperature
Rise B
No Temperature
Rise Hose
Low Voltage CAN
Low Voltage CAN
Low Voltage A
Low Voltage B
Cause Cause Cause Solution
Solution Solution
Bad RTD or bad Swap A and B heater
RTD placement output cables and RTD
against heater cables and 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, 6-8 Ω for
15 kW systems, 4–6 Ω for
20 kW systems. If out of
tolerance, replace heater
element.
Loose heater Check for loose heater
wires element wires.
Started spraying Wait until operating
before heater temperature has been
reached reached before spraying
operating or recirculating.
temperature
Started spraying Wait until operating
before heater temperature has been
reached reached before spraying
operating or recirculating.
temperature
Bad 24 VDC
Check voltage of power
power supply
supply. Voltage should
be 23-25 VDC. If out of
tolerance, replace power
supply.
Bad 24 VDC Check voltage of power
power supply supply. Voltage should
be 23-25 VDC. If out of
tolerance, replace power
supply.
Loose connection
Check wiring for loose
or tripped circuit
connection or tripped
breaker
circuit breaker.
Low incoming
Measure voltage at circuit
line voltage.
breaker and ensure
voltage is greater than
195 VAC.
Loose connection
Check wiring for loose
or tripped circuit
connection or tripped
breaker
circuit breaker.
Low incoming
Measure voltage at circuit
line voltage
breaker and ensure
voltage is greater than
195 VAC.
Troubleshooting
35