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TROUBLESHOOTING
The control unit does not switch on and the
supply to terminals 40-42 is correct.
One of the channels is in FAULT due to
FOC/FCC
When turning on, the display shows
"DATA ERROR" or "DATA LOST"
All the sensors are in FCC.
The temperature shown by one or more
channels is wrong.
Sudden trip of the main switch. The temperature
is on standard levels. Just one channel has
caused the trip.
Contact TECSYSTEM Technical Department if the problem persists.
EQUIPMENT DISPOSAL
European directives 2012/19/EC (WEEE) and 2011/65/EC (RoHS) have been approved to reduce electrical and elec-
tronic waste and promote the recycling and reuse of the materials and components of said equipment, cutting down on
the disposal of the residues and harmful components of electrical and electronic materials.
All the electrical and electronic equipment supplied after 13 August 2005 is marked with this symbol, pursuant
to European directive 2002/96/EEC on electrical and electronic waste (WEEE). Any electrical or electronic
equipment marked with this symbol must be disposed of separately from normal domestic waste.
Returning used electrical devices: contact TECSYSTEM or your TECSYSTEM agent for information on the correct
disposal of the devices.
TECSYSTEM is aware of the impact its products have on the environment and asks its customers active support in
the correct and environmentally-friendly disposal of its devices.
USEFUL CONTACTS
TECHNICAL INFORMATION: ufficiotecnico@tecsystem.it
COMMERCIAL INFORMATION: info@tecsystem.it
28
CAUSES AND SOLUTIONS
Check that: the connector is correctly inserted into its housing, the
wires are tightened, there is no evidence of burning on the
connectors. Disconnect the power supply, carry out the above and
reconnect.
Check the connections of the sensors, check the instructions given
in the paragraphs: sensor connection on page 12.
Strong interference damaged the stored data. See the paragraph
Programmed data diagnostics on page 12.
Incorrect sensor connection, the terminal block has been inserted
upside down. Check the connections and the terminal board.
Contact the TECSYSTEM Technical Department.
Verify through MEMO function possible defective sensors. Replace
the sensor. Check the measuring signal support terminal boards.
MM453 SERIES
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