Graco E-Flo iQ Operation Manual page 62

Troubleshooting
Error Location Type
T4J_ Driver Alarm
T4M_ Driver Alarm
T4__ AMZ Alarm
T6__ AMZ Alarm
T8__ AMZ Alarm
V1M_ Driver Alarm
V2H_ AMZ Deviation
V4M_ Driver Alarm
V4H_ AMZ Alarm
V6H_ AMZ Alarm
62
Error
Error Name Description
High Controls Temperature of
Temperature P_ the control
board is too hot
High Motor Temperature of
Temperature P_ the motor is too
hot
High The zone
Temperature temperature
H_Z_ has exceeded
the setpoint
Sensor Error The zone has
H_Z_ no reading from
RTD
No Temperature The zone
Rise H_Z_ temperature
does not
changed
Low Voltage P_ Supplied bus
voltage is below
minimum
acceptable limit
Low Voltage H_ The incoming
power is below
minimum
acceptable limit
High Voltage P_ Supplied bus
voltage is
above
maximum
acceptable limit
High Voltage H_ The incoming
power is above
minimum
acceptable limit
Wiring Error H_ The wiring is
invalided from
what the AMZ
is expecting
Cause Solution
The control board Ensure ambient temperature is below 120F
temperature inside (48C).
the driver is too
high
Enclosure fan not Verify fan in electrical enclosure is spinning.
operating If it is not, disconnect pump from AC power
and check fan wiring or replace fan.
The motor Ensure ambient temperature is below 120F
temperature inside (48C).
the driver is too
high
Enclosure fan not Verify fan in electrical enclosure is spinning.
operating If it is not, disconnect pump from AC power
and check fan wiring or replace fan.
Element continues Defective RTD. Replace.
to raise above the
setpoint
RTD not in correct See manual to find correct location of RTD
location on element on element.
No reading from the Check the wired connections to make sure
RTD of the heat that RTD is wired correctly.
zone
Defective RTD. Replace.
The zone Check fuse on the AMZ that the error
temperature does element is connected to.
not changed
Check that electrical connector on the
heated hose is plugged into the AMZ.
Defective heater rods in element. Replace.
Transformer faulty Check output voltage of transformer to verify
it is within acceptable input limits.
Incorrect line Check line voltage to verify it is as expected
voltage (230V, 380V, etc.).
Incoming line to line Verify incoming power is correct gauge for
voltage has current draw and verify incoming power lines
dropped below are securely attached to disconnect.
175V
Transformer faulty Check output voltage of transformer to verify
it is within acceptable input limits.
Incorrect line Check line voltage to verify it is as expected
voltage (230V, 380V, etc.).
Incoming line to line For 3 phase with neutral have qualified
voltage has electrician verify neutral wire.
increased above
265V
Wrong wiring of the Verify incoming power is wired to the
power source to the disconnect correctly per the manual.
AMZ
333587B