Graco Reactor 2 H-30 Repair Manual page 34

Troubleshooting
Error Location
Error Error Location Location
T8DA Heater A
T8DB Heater B
T8DH Hose
V1IT TCM
V2IT TCM
34
Type Description
Type Type Description Description
No Temperature
Rise A
No Temperature
Rise B
No Temperature
Rise Hose
Low Voltage CAN
Low Voltage CAN
Cause Solution
Cause Cause Solution Solution
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, 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 operating reached before spraying or
temperature. recirculating.
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, 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 operating reached before spraying or
temperature. recirculating.
Started spraying Wait until operating
temperature has been
before heater
reached operating reached before spraying or
recirculating.
temperature.
Bad 24 VDC power Check voltage of power
supply. supply. Voltage should
be 23-25 VDC. If out of
tolerance, replace power
supply.
Bad 24 VDC power Check voltage of power
supply. supply. Voltage should
be 23-25 VDC. If out of
tolerance, replace power
supply.
334946C