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B0069991 / Rev. 1.7
9.9
Faults concerning Hardware
No.
Cause
170
AD converter defective.
171
Hardware does not fit to Software / Firmware.
172
Display defective
173
Internal fault SPI-BUS
175
Internal voltage is missing.
9.10
Faults concerning supply voltage
No.
Cause
176
Operating voltage was below 20 VDC.
177
Voltage at PLC inputs / outputs too low.
If the fault message 177 appears due to a mis-set system configuration ("monitor PLC voltage" though PLC voltage is not
connected), then simultaneously press all 4 operating keys and thus call up the configuration menu directly, and set the
correct values there. Only then the fault conditions are redressed.
9.11
Other faults
No.
Cause
Unknown error or error description is included in a newer
manual.
ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
Manual
Double Sheet Detector-series I20
Fault messages, causes and remedies
Remedy
Call Roland service / exchange the system.
Install correct Firmware.
Call Roland service / exchange the system.
Remedy
Check power supply.
Check power supply for PLC inputs / outputs
if required switch off PLC voltage monitoring in the
system parameters.
Remedy
• Contact Roland Electronic Service Department.
• Request for newer manual.
107
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