Troubleshooting
28
3A5354B
Code
Description
Type
Cause
Solution
A4 _
High Current Unit _
Zone _
Alarm
Defective or
shorted to
ground on
zone
Verify the accessory is rated for 220 VAC.
Verify the heater resistance and check for
shorts to the ground. Replace as necessary.
A7 _
Unexp. Curr. Unit _
Zone _
Alarm
Unexpected
current flow to
zone
Faulty accessory heater. Measure the
resistance to the ground between heater leads.
A8 _
No Current Unit _
Zone _
Alarm
No Current
Flow to the
Zone
Check for loose or disconnected wires or
plugs.
Check for blown fuses on the AMZ.
Check the heater resistance for the open cir-
cuit.
Check for shorts between the heater and
ground.
Verify the cable is plugged into zones 3-4.
Replace the heater if necessary.
CAC#
Comm Error AMZ _
Alarm
System not
responding to
ADM
The system is not properly loaded with the cor-
rect Software.
The dial is not set correct on the AMZ.
Duplicate AMZ dial positions (i.e. 1 to 1, 2 to 2,
ect).
Check all CAN connections between the ADM
and missing AMZ.
Check if hardware exists on the network.
Replace the AMZ if necessary.
CACX
DB Not Present Unit A Alarm
Daughter
Board not
responding
Ensure the connections between the ADM and
hardware are secure.
Replace the Daughter Board.
L2 X
Material Level Empty Alarm
Material drum
is empty
Replace the material container. If more material
is leftover, lower the empty level sensor.
L3 X
Material Level Low
Deviation
Material level
is low
Replace at appropriate time.
MMUX
USB Log Full
Advisory
USB logs fulls.
Data loss will
occur if not
downloaded.
Download USB data or disable the USB log
errors on the Advanced screen 3.
T1 _
Low Temp. Unit _
Zone _
Alarm
Zone
temperature
too low
Reduce the flow rate.
Increase the temperature of the accessory
upstream.
Faulty accessory heater measure resistance
between heater leads.
Replace the accessory.
T2 _
Low Temp. Unit _
Zone _
Deviation
Zone tem-
perature too
low
Reduce the flow rate.
Add the zone (temperature) upstream.