Omega BB702, User Manual, Page: 19 / 24

Section 8 - Troubleshooting Guide
Problem Solution
1. Unit will not turn on.
a. Check Power Cord connections.
b. Check rear panel fuse(s).
c. Unit requires service, contact our
customer service department.
2. Unit turns on but the target a. Check that you have entered a setpoint
plate will not get hot. between A20 to 420°F.
b. Verify that the controller is set to its
factory default settings.
c. Unit has overheated causing the
thermal reset switch to open. See Section
3.6.
d. Unit requires service, contact our
customer service department.
3. Controller display shows “Error” a. Unit requires service, contact our
and the target will not get hot. customer service department.
4. Cavity cone temperature will not a. Verify that the controller is set to its
stabilize to within ±2°F of the factory default settings.
setpoint temperature. b. Unit requires service, contact our
customer service department.
5. Unable to communicate with the a. Check that you have made the proper
unit through the RS232 wiring connections between your unit
connection port. and computer.
b. Check for proper communication
parameter settings in the controller and
your computer, Baud, parity, etc...
c. Check that your message string contains
the correct letters and characters for the
command you want to send.
d. Unit requires service, contact our
customer service department.
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BB702 Troubleshooting Guide
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