Ametek JOFRA ATC-650 B - Page 28

28 18-09-2007 122770 06
Error: Switch test does not work.
Error message:
-
Likely cause: Solution:
Defective Main PCB Check signal from Switch Test Input. The
voltage between the terminals on the panel
should be at least 4.0V.
Check the signals SW-TEST(+) and SW-
TEST(-) on the connector CN1 on the
INPUT PCB.
Otherwise, replace the Main PCB and
adjust and re-calibrate the unit
Error: Fan does not work.
Error message:
-
Likely cause: Solution:
Fan obstructions Remove any obstructions.