Graco Therm-O-Flow 200 Instructions-Parts List Manual page 42

Troubleshooting
Code Description
CACX DB Not Present Unit
A
CCAG Comm. Error,
Gateway
CACH Gateway Heartbeat
Loss
CACY DB Not Present Unit
B
CACV AWB not present Unit
A
CACW AWB not present Unit
B
DA X Pump Runaway
Detected
DE X Reed Switch Failure
Detected
42
Type Cause
Alarm Daughter
Board not
responding
Alarm CGM Module
is no longer
responding
Alarm Heartbeat
signal was
removed while
PLC was
controlling the
TOF via the
CGM
Alarm Daughter
Board not
responding
Alarm AWB not
responding
Alarm AWB not
responding
Alarm Pump is trying
to feed
adhesive, no
adhesive to
feed.
Worn or
damaged
Pump seals
Alarm Reed switch
failed
Solution
Dial not set correct on MZLP 5. Set to 5 on
board with daughter board.
Ensure connections between the ADM and
hardware are secure.
Replace Daughter Board.
Power removed from Gateway. Restore power.
Rotary switch on Gateway changed to
positions between 2 and 8 (must be in 0, 1, or
>8 positions).
PLC went off line.
Field Bus connection to CGM was broken.
Restore connection between Field Bus and
CGM.
Dial not set correct on MZLP. Set to 4 on board
with daughter board.
Ensure connections between the ADM and
hardware are secure.
Replace Daughter Board.
Ensure connections between the ADM and
hardware are secure.
If a tandem system, ensure AWB 2 jumper is
installed at startup.
Replace AWB.
AWB 2 jumper was not in place at start up
Ensure connections between the ADM and
hardware are secure.
Replace AWB.
Adjust the drum empty level sensor to detect
an empty state.
Ensure the Ram Director Valve is in the down
position and sufficient air is forcing the Ram
down.
Melter at incorrect temperature, too low.
Check setpoint and set to manufactures
recommendation.
Inspect Pump seals and replace if necessary
Check that sensor cable is plugged into the
daughter board at J16.
Check for loose connection at reed switch.
Ensure reed switch is securely attached to the
Air Motor. Replace if necessary.
334130W