Vapro 5520 - Page 64

SECTION 5
SOLVING PROBLEMS
5.1 Troubleshooting
64
Problem Solution
The following error Be sure that you are using the correct calibration
message appears on standard.
the screen:
Check the TC head connector for faulty connection.
Clean the thermocouple.
Check for loose TC head screws. If these steps fail to
solve the problem, contact your dealer or Wescor for
assistance.