Graco E-Flo iQ - Page 61

Troubleshooting
333587B 61
P6V_ Pump Alarm Valve Pressure
Sensor P_
Valve pressure
transducer not
connected.
The valve pressure
transducer is not
connected to the
driver or faulty
Verify valve pressure transducer is installed
and/or connected properly. Replace if
necessary.
P6X_ Pump Alarm Valve Pressure
Sensor
Valve pressure
transducer not
connected.
The valve pressure
transducer is not
connected to the
fluid cube or faulty
Verify valve pressure transducer is installed
and/or connected properly. Replace if
necessary.
TA__ AMZ Alarm Heat Zone Offline
Z_H_
The heat zone
is offline
The AMZ lost
communication with
the other Tandem
AMZ
Restore communication.
T1__ AMZ Alarm Low Temperature
H_Z_
Temperature of
the zone is
below the
setpoint
Zone has reached
setpoint but
dropped below
setpoint and can
not recover
Check resistance of heater rods. Refer to
manual for resistance.
Adjust the temp offset errors in the Heat
Setup screen.
T2J_ Driver Deviation Motor
Temperatures
Sensor P_
Motor
temperature
thermistor
disconnected
The motor
temperature
thermistor is not
connected or faulty
Verify motor temperature thermistor is
installed and/or connected correctly. Replace
if necessary.
T2__ AMZ Advisory Low Temperature
H_Z_
Temperature of
the zone is
below the
setpoint
Zone has reached
setpoint but
dropped below
setpoint and can
not recover
Check resistance of heater rods. Refer to
manual for resistance.
Adjust the temp offset errors in the Heat
Setup screen.
T3J_ Driver Deviation Temperature
Cutback P_
Current
supplied to
motor is being
reduced in
order to lower
driver
temperature
The control board
temperature inside
the driver is too
high
Ensure ambient temperature is below 120F
(48C). Ensure the enclosure fans are
working properly.
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.
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.
Error Location Type Error Name
Error
Description
Cause Solution