Marquette Hellige GmbH
MicroSmart V 2.xx
Page 49
Servicing Instructions 227 470 35 B - 97.12
7 Troubleshooting
Mains plug connected; the unit cannot be switched on
-
green LED of power indicator light fails to light up and unit cannot be switched
on:
-
line power lead defective or not connected properly?
-
primary fuses in line inlet module defective?
-
plug CB on power supply properly connected?
-
plug CA on power supply properly connected?
-
plug PSCON on PCB MicroSmart properly connected?
-
keyboard properly connected via plug AS on PCB MicroSmart?
-
if all items above are OK: ===> power supply unit defective
-
green LED of power indicator light lit, unit still cannot be switched on:
-
On/off key of unit defective?
-
fuses SI500 on PCB MicroSmart defective?
-
if all items above are OK: ===> PCB MicroSmart defective
Battery operation selected; unit cannot be switched on
-
plug connection G on battery properly connected?
-
battery exhausted/discharged?
-
connect mains plug, green LED of power indicator lights must light up and unit
can be activated. If not, see above under "Mains plug connected; unit cannot be
switched on".
-
battery charge activated when connecting the mains plug
-
after 10 minutes charging, disconnect the mains plug, can the unit be switched on
and a recording be triggered?
-
===> battery defective or capacity too low
-
===> or battery charge on PCB MicroSmart defective
Blank display
-
after power-up, does the yellow Stop LED on the keyboard light up?
-
if not:
- see under "Unit cannot be ..... switched on".
-
Contrast bad? (change contrast)
-
Alarm signal approx. 5 sec. after power-up of the MicroSmart? (indicates that the
self-test is complete).
-
if yes;
- display properly connected?
-
if yes:
===> display defective?
===> or control on the PCB MicroSmart defective.
Содержание MicroSmart
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