Error Codes - Graco E-Flo iQ Operation Manual

Error Codes

Error Location Type
A1__ AMZ Alarm
A2__ AMZ Advisory
A3__ AMZ Alarm
A4J_ Driver Alarm
A4N_ Driver Alarm
A4__ AMZ Alarm
A7__ AMZ Alarm
333587B
Error
Error Name Description
Low Current Heater current
H_Z_ is below the
minimum
allowed value
Low Current Heater current
H_Z_ is below the
minimum
allowed value
High Current Heater current
H_Z_ exceeds
maximum
allowed value
High Motor Motor current
Current P_ exceeds
maximum
allowed value
High Motor Motor current
Current P_ exceeds
maximum
allowed value
High Current Heater current
H_Z_ exceeds
maximum
allowed value
Unexpected Heat current
Current H_Z_ has an
unexpected
current flow
Cause Solution
Fault heater Check heater resistance and resistance to
element ground. Replace faulty heater.
Fault heater Check heater resistance and resistance to
element ground. Replace faulty heater.
Heater element is Replace heater element.
defective
Heater element is Check wiring to the heater element to ensure
shorted no bare wires are touching and that no wires
are shorted to ground.
Encoder Replace encoders.
malfunction
Short circuit of Check wiring to the motor to ensure no bare
motor wiring wires are touching and that no wires are
shorted to ground.
Motor not able to Check that motor shaft rotates freely.
rotate
Flow rate is too Reduce the outlet flow rate.
large for the motor
to drive the pumps
at the operating
pressure
Encoder Replace encoders.
malfunction
Short circuit of Check wiring to the motor to ensure no bare
motor wiring wires are touching and that no wires are
shorted to ground.
Motor not able to Check that motor shaft rotates freely.
rotate
Faulty circuit board Replace motor control circuit board.
Heater element is Replace heater element.
defective
Heater element is Check wiring to the heater element to ensure
shorted no bare wires are touching and that no wires
are shorted to ground.
Unexpected Fault heater element. Check heater
Current flow to the resistance and resistance to ground.
heat element Replace heater element.
Faulty AMZ; replace AMZ.
Troubleshooting
55