Troubleshooting
56 333587B
A8__ AMZ Alarm No Current H_Z_ Power is not
getting to
heating
element
Power not getting to
heating element
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.
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.
CAC_ ADM Alarm Communication
Error P_
Communication
lost between
ADM and pump
No 24 VDC power
supply to ADM
Reconnect or replace CAN cable connecting
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 cable
CAN cables carry 24 V DC power and
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.
CBD_ Driver Alarm Communication
Error P_
Communication
lost between
pump and ADM
No AC power to
driver
Verify pump is turned on by confirming
disconnect switch is in the ON position.
Yellow LED on driver connector board should
be flashing.
AC disconnect
switch broken
Disconnect pump from AC power. Check
wiring to switch. If wiring is good, replace the
AC disconnect switch.
Ribbon cable
disconnected
Disconnect pump from AC power. Verify that
the ribbon cable inside driver casing is
connected.
Faulty driver control
board
Replace driver control board.
CBGX Gateway Alarm Fieldbus Reset The fieldbus
has performed
a reset
Changing the
fieldbus setup
properties
No action necessary.
CBT_ AMZ Alarm Communication
Error H_
Communication
lost between
AMZ MZLP4
and ADM
No AC power to the
AMZ MZLP4
Verify AMZ MZLP4 is turned on by
confirming disconnect switch of the heat box
is in the ON position.
AC disconnect
switch broken
Disconnect AMZ MZLP4 from AC power.
Check wiring to switch. If wiring is good,
replace the AC disconnect switch of the heat
box.
Faulty AMZ MZLP4
control board
Replace AMZ MZLP4 control board.
Error Location Type Error Name
Error
Description
Cause Solution
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