Graco Reactor 2 Repair Parts page 18

Troubleshooting
Error Location
Error Error Location Location
A7DA Heater A
A7DB Heater B
A7DH Hose
Heater A
A8DA
A8DB Heater B
A8DH Hose
18
Type Description
Type Type Description Description
Unexpected
Current A
Unexpected
Current B
Unexpected
Current Hose
No Current A
No Current B
No Current Hose
Cause Cause Cause Solution
Solution Solution
Shorted TCM If error cannot be
cleared or regenerates
consistently, replace
module.
Shorted TCM If error cannot be
cleared or regenerates
consistently, replace
module.
Shorted TCM If error cannot be
cleared or regenerates
consistently, replace
module.
Tripped circuit Visually check circuit
breaker breaker for a tripped
condition.
Loose/broken Check heater wiring for
connection loose wires.
Tripped circuit Visually check circuit
breaker breaker for a tripped
condition.
Loose/broken Check heater wiring for
connection loose wires.
Tripped circuit Visually check circuit
breaker breaker for a tripped
condition.
Loose/broken Check heater wiring for
connection loose wires.
334946J