Amada UNIFLOW 4 REMOTE - Page 102

CHAPTER 5: MAINTENANCE
UNIFLOW
®
4 PULSED HEAT CONTROL
5-6 990-908
Alarm Message Description Corrective Action
REFLOW ALARM:
Increase Heating Rate
Actual thermode temperature never
reaches the REFLOW LOW TEMP
LIMIT value on the Schedule Setup
Page 2 of 5 during the Reflow time
period.*
NOTES:
● This alarm will function if the
REFLOW ENVELOPE LIMITS
are set to either ON or OFF.
● If the fine heat rate is set for 17%
or less, there will not be any
heating, the thermode temperature
will remain at its ambient, and the
REFLOW ALARM will not be
displayed. The actual temperature
will be plotted across the display
graph. The System Ready message
will be displayed when the user can
change the profile settings or
initiate another reflow.*
Set Course Heating Rate one setting
faster.
Increase the LOW LIMIT value.
Increase the Preheat Time.
Check cables between the Control
output and the Reflow Soldering Head
for loose connections.
Check connection between the
thermode and thermode holder for
loose connections.
Increase the diameter of the cables
between the Control output and the
Reflow Soldering Head.
REFLOW BELOW COOL
TEMP SETTING
New Reflow temperature value is
lower than Cool1 temperature
Re-enter a Reflow value that is greater
than the Cool1 temperature.
REPLACE THERMODE:
Press 0 to reset count
Replace Thermode Counter has
reached zero.
Reset Replace Thermode Counter.
Replace Thermode Counter
Reset To
Replace Thermode Counter has been
reset by Control
No action needed. Information
message only.
Transformer Over
Temperature
The temperature measured by the
thermal switch has exceeded 65C.
When the thermal switch exceeds 65C,
it will abort any process and prevent
initiation of another process.
Check process settings and consult
Amada Miyachi America Service.
Once the thermal switch temperature
has dropped below 65C, the Up Arrow
Key, Reset Digital Input, or new fire
command will clear message and
alarm state.
WARNING! HEAT
SWITCH IN NO HEAT
POSITION
Heat switch is pushed to No Heat so
heat will not be applied to thermode
Push Heat switch to Heat position to
apply heat to thermode.
* The alarm messages indicated can be cleared as referenced in the following table.