Graco Reactor 2 E-30 - Page 31

Troubleshooting
Error Location Type Description
Cause Solution
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 rod or
loose heater wire.
Confirm resistance of
heater. Heater resistance
shouldbe9-12Ωfor10
kW systems and 6-8 Ω
for 15 kW systems. If out
of tolerance, check for
loose h eater rod wire(s).
Reconnect wires or replace
heater rod if necessary.
T8DA Heater A No Temperature
Rise A
Started sprayin g
before heater
reached operating
temperature.
Wait until operating
tempera ture has b een
reached b efo re s pray in g o r
recirculating.
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 rod or
loose heater wire.
Confirm resistance of
heater. Heater resistance
shouldbe9-12Ωfor10
kW systems and 6-8 Ω
for 15 kW systems. If out
of tolerance, check for
loose h eater rod wire(s).
Reconnect wires or replace
heater rod if necessary.
T8DB Heater B No Temperature
Rise B
Started sprayin g
before heater
reached operating
temperature.
Wait until operating
tempera ture has b een
reached b efo re s pray in g o r
recirculating.
T8DH Hose No Temperature
Rise Hose
Started sprayin g
before heater
reached operating
temperature.
Wait until operating
tempera ture has b een
reached b efo re s pray in g o r
recirculating.
Loose/b ad
connection or
tripped circuit
breaker.
Check wiring for loose
connection or tripped circuit
breaker.
V1CM MCM Low Voltage MCM
Low incoming line
voltage.
Measure voltage at circuit
breaker and ensure voltage
is greater than 195 VAC.
333024F 31
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