Graco E-Flo 333587D, Operation, Page: 63 / 110

Troubleshooting
333587D 63
T3__ AMZ Advisory High
Temperature
H_Z_
The zone
temperature
has exceeded
the setpoint
Element continues
to raise above the
setpoint
Defective RTD. Replace.
RTD not in correct
location on element
See manual to find correct location of RTD
on element.
Temperature
reading has risen
too high.
Adjust the temp offset errors in the Heat
Setup screen.
T4J_ Driver Alarm High Controls
Temperature P_
Temperature of
the control
board is too hot
The control board
temperature inside
the driver is too
high
Ensure ambient temperature is below 120F
(48C).
Enclosure fan not
operating
Verify fan in electrical enclosure is spinning.
If it is not, disconnect pump from AC power
and check fan wiring or replace fan.
T4M_ Driver Alarm High Motor
Temperature P_
Temperature of
the motor is too
hot
The motor
temperature inside
the driver is too
high
Ensure ambient temperature is below 120F
(48C).
Enclosure fan not
operating
Verify fan in electrical enclosure is spinning.
If it is not, disconnect pump from AC power
and check fan wiring or replace fan.
T4__ AMZ Alarm High
Temperature
H_Z_
The zone
temperature
has exceeded
the setpoint
Element continues
to raise above the
setpoint
Defective RTD. Replace.
RTD not in correct
location on element
See manual to find correct location of RTD
on element.
T6__ AMZ Alarm Sensor Error
H_Z_
The zone has
no reading from
RTD
No reading from
the RTD of the heat
zone
Check the wired connections to make sure
that RTD is wired correctly.
Defective RTD. Replace.
T8__ AMZ Alarm No Temperature
Rise H_Z_
The zone
temperature
does not
changed
The zone
temperature does
not changed
Check fuse on the AMZ that the error
element is connected to.
Check that electrical connector on the
heated hose is plugged into the AMZ.
Defective heater rods in element. Replace.
V1M_ Driver Alarm Low Voltage P_ Supplied bus
voltage is
below
minimum
acceptable limit
Transformer faulty Check output voltage of transformer to
verify it is within acceptable input limits.
Incorrect line
voltage
Check line voltage to verify it is as expected
(230V, 380V, etc.).
V2H_ AMZ Deviation Low Voltage H_ The incoming
power is below
minimum
acceptable limit
Incoming line to
line voltage has
dropped below
175V
Verify incoming power is correct gauge for
current draw and verify incoming power
lines are securely attached to disconnect.
V4M_ Driver Alarm High Voltage P_ Supplied bus
voltage is
above
maximum
acceptable limit
Transformer faulty Check output voltage of transformer to
verify it is within acceptable input limits.
Incorrect line
voltage
Check line voltage to verify it is as expected
(230V, 380V, etc.).
Error Location Type Error Name
Error
Description Cause Solution