User's Manual

Appendix D - ADM Error Codes
3A2175A 75
A4N1
Motor Over
Current
A hardware current fault has
occurred causing a system
shutdown
Alarm
Short circuit of motor
wiring
Check wiring to the motor to ensure no bare wires are
touching and that no wires are shorted to ground
Motor rotor has become
locked
Unplug the directional valve (so pressure will not
build) and try to move the motor again. If this
succeeds then the power pack may need to be
replaced. If the motor is still unable to move, the
bearings or hydraulic pump have likely failed in the
motor and will need to be replaced.
A7A6
Red Blanket
Control Fault
Unexpected current to
heater/chiller
Alarm
Shorted Temperature
Control Module
If temperature rises for a zone that has been disabled,
replace Temperature Control Module
A7B5
Blue Blanket
Control Fault
Alarm
A7A3
Red Inline
Control Fault
Alarm
A7B1
Blue Inline
Control Fault
Alarm
A7A2
Red Hose
Control Fault
Alarm
A7B4
Blue Hose
Control Fault
Alarm
A7A7
Red Chiller
Control Fault
Alarm
A7B8
Blue Chiller
Control Fault
Alarm
A8A6
No Red
Blanket
Current
No current to the conditioning
zone
Alarm
Tripped circuit breaker Visually check circuit breaker for a tripped condition
A8B5
No Blue
Blanket
Current
Alarm
A8A3
No Red Inline
Current
Alarm
A8B1
No Blue Inline
Current
Alarm
A8A2
No Red Hose
Current
Alarm
A8B4
No Blue Hose
Current
Alarm Low power
Measure voltage across input terminals on power line
filter. Voltage should measure between 190 and 264
Vac
A8B7
No Red
Chiller
Current
Alarm
Cable unplugged/loose
power
Check for loose or disconnected wires or plugs
A8B8
No Blue
Chiller
Current
Alarm Bad heater(s) Measure resistance of heater(s)
A9C1
Motor Over
Current
A software error has occurred
commanding too much current
Alarm
Bad Motor Control
Module code
Check for MCM software update, load latest MCM
software, if problem persists contact Graco
B9C0
Small Shot
Request
The requested dispense
amount is below the minimum
amount of the system (25% of
the combined pump volumes is
the minimum)
Deviation
Pumps are defined with
the wrong size
On the ADM go into the Setup screens to the System
screens then make sure that the pump sizes are
defined correctly
Requested shot is below
the capabilities of the
current pump setup
If the user has to be able to take the shot the system
must be fitted with smaller pumps
Error
Code Error Name Error Description
Error
Type Cause Solution