Lts Troubles; Real-Time Clock Troubles - UBI EasyCoder 501 Service Manual

UBI EasyCoder 501 – Service Manual
26. TROUBLE SHOOTING, cont'd.
26.7

LTS Troubles

26.8

Real-Time Clock Troubles

• The LTS must either be enabled by means of an
statement, or the status of the LTS must be polled by means of a
function, in the current UBI Fingerprint program.
PRSTAT
• Is the cable connected to P-606 on the CPU board and undam-
aged?
• Make sure that the active parts of the sensor are not obstructed by
dust or foreign objects.
• The sensitivity of the sensor's receiver and the light intensity of the
sensor's emitter are adjustable, see chapter 11.3.
• If still no reaction, the sensor is probably defective.
• Has the clock/calendar been set?
• If and instructions give strange results, or time is not
TIME$ DATE$
updated at the right pace, replace the clock circuit IC-20.
• If the malfunction appears only after the printer has been turned
off, the trouble could be failing battery backup voltage.
Note that the and
TIME$
the internal clock even when no real-time clock circuit is fitted.
However, in this case time and date must be "manually" reset after
each startup, else errors will occur. Also see UBI Fingerprint
Reference Manual.
instructions will work by means of
DATE$
LTS& ON
202