Maintenance
Issue 5 - June 2005 Page 49 of 64 Pages
Fault Remedy
6 A1 or A2 24 VDC voltage
output too low
Current must be < 100 mA.
Reduce current.
7 AC output failed Check loading does not exceed 500 mA
Replace fuse.
8 Incorrect measuring range Check setting of SW1 on display board
10 No TWA information Set SW1-F on the display board to ON
11 Water ingress Check sealing ring is in place
12 Display repeats power-on test
during normal operation
(1)
Replace display board
NOTE
Display board program execution is monitored by a watchdog. A
watchdog reset during normal operation will cause the display to
repeat its power-on self test.
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