Graco E-Flo iQ Operation Manual page 56

Troubleshooting
Error Location Type
A8__ AMZ Alarm
CAC_ ADM Alarm
CBD_ Driver Alarm
CBGX Gateway Alarm
CBT_ AMZ Alarm
56
Error
Error Name Description
No Current H_Z_ Power is not
getting to
heating
element
Communication Communication
Error P_ lost between
ADM and pump
Communication Communication
Error P_ lost between
pump and ADM
Fieldbus Reset The fieldbus
has performed
a reset
Communication Communication
Error H_ lost between
AMZ MZLP4
and ADM
Cause Solution
Power not getting to Check fuse on the AMZ that the error
heating element element is connected to.
Check that electrical connector on the
heated hose is plugged into the AMZ.
Check continuity of pins C and D on
electrical connector at AMZ end of heated
element. See heated element manual for
impedance measurements. Replace hose if
readings are too high.
No 24 VDC power Reconnect or replace CAN cable connecting
supply to ADM driver and ADM. If CAN connection good,
check 24V power supply wiring in driver.
Make sure AC power to pump is turned off
before checking power supply. Yellow LED
on driver connector board should be
flashing.
Cross threaded CAN cables carry 24 V DC power and
CAN cable communication between modules. A cross
threaded CAN cable connector may cause
problems with communication and/or power
to modules. Carefully check for cross
threaded CAN connections on the ADM and
driver. Yellow LED on driver connector board
should be flashing.
No AC power to Verify pump is turned on by confirming
driver disconnect switch is in the ON position.
Yellow LED on driver connector board should
be flashing.
AC disconnect Disconnect pump from AC power. Check
switch broken wiring to switch. If wiring is good, replace the
AC disconnect switch.
Ribbon cable Disconnect pump from AC power. Verify that
disconnected the ribbon cable inside driver casing is
connected.
Faulty driver control Replace driver control board.
board
Changing the No action necessary.
fieldbus setup
properties
No AC power to the Verify AMZ MZLP4 is turned on by
AMZ MZLP4 confirming disconnect switch of the heat box
is in the ON position.
AC disconnect Disconnect AMZ MZLP4 from AC power.
switch broken Check wiring to switch. If wiring is good,
replace the AC disconnect switch of the heat
box.
Faulty AMZ MZLP4 Replace AMZ MZLP4 control board.
control board
333587B