Graco Therm-O-Flow 200 Instructions - Parts Manual page 61

Error Location Type
T3__ AMZ Advisory
T4__ AMZ Alarm
T4T_ DB Alarm
T6__ AMZ Alarm
T6T_ DB Alarm
T8__ AMZ Alarm
3A8005A
Error Name Error Description
High The zone temperature
Temperature has exceeded the
U_Z_ setpoint
High The zone temperature
Temperature has exceeded the
U_Z_ setpoint
High The transformer cord
Temperature temperature is to high
Transformer
U_
Sensor Error The zone has no
U_Z_ reading from RTD
Sensor Error The transformer has
Transformer no temperature
U_ reading
No The zone temperature
Temperature does not changed
Rise U_Z_
Cause
Element Defective RTD. Replace.
continues to
raise above the
setpoint
RTD not in See manual to find
correct location correct location of RTD
on element on element.
Temperature Adjust the temp Offset
reading has Error in the Heat setup
risen too high screen
Element Defective RTD. Replace.
continues to
raise above the
setpoint
RTD not in See manual to find
correct location correct location of RTD
on element on element.
Temperature Adjust the temp Offset
reading has Error in the Heat setup
risen too high screen.
Transformer Cool down transformer.
temperature is
too high
No reading Check the wired
from the RTD connections to make
of the heat sure that RTD is wired
zone correctly.
Defective RTD. Replace.
No reading Check the wired
from the RTD connections to make
of the heat sure that RTD is wired
zone correctly.
Defective RTD. Replace.
The zone Check fuse on the AMZ
temperature that the error element is
does not connected to.
changed
Check that electrical
connector on the heated
hose is plugged into the
AMZ.
Defective heater rods in
element. Replace.
Troubleshooting
Solution
61