Karel MS128 - Page 88

Karel MS128 Installation & Maintenance Guide
Edition 3.2
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e) Replace the cable,
f) Reinstall the software,
g) Replace the CPU128 card.
7) CPU128 card cannot communicate with the printer:
a) Remove KY16 Mini Printer if installed on the system,
b) Check the cable connections at both sides,
c) Check whether the communication parameters of the printer match to
these of the system,
d) Replace the cable,
e) Replace the CPU128 card.
8) The DY26 doorphone does not function:
a) Check the cabling of the doorphone,
b) Replace the doorphone,
c) Replace the MS128 CPUKON card,
d) Replace the CPU128 card.
9) LB or TE is displayed on the consoles and feature phones:
a) Check the cabling of all the consoles, feature phones, direct station select
modules and KY16 Mini Printer,
b) Replace the MS128 CPUKON card,
c) Replace the CPU128 card.
10) One of the telephones have no dial tone:
a) Check the cabling of the telephone,
b) Replace the telephone,
c) Check the related extension circuitry of the relevant MS128 EX1 or MS128
EX2 card, and replace that card if no dial tone is received.