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FO 935 ETH
The purchased Product is covered by the manufacturer's or seller's warranty under the terms and conditions indicated in
the "Tecsystem s.r.l. General Sales Conditions", which can be consulted on the website www.tecsystem.it and/or in the
stipulated purchase contract.
The warranty is considered valid only when the product is damaged by causes attributable to TECSYSTEM srl, such as
manufacturing or components defects.
The warranty is invalid if the Product proves to have been tampered with/modified or incorrectly connected and causing
voltages outside the set limits and does not comply with the technical data for use and assembly, as described in this
instruction manual.
The warranty is always ex Corsico as stated in the "General Conditions of Sale".
The European directive 2012/19/EU (WEEE) has been approved to reduce the waste of electrical and electronic
appliances and to encourage the recycling and reuse of materials and components of these appliances, thereby
reducing the disposal of harmful residues and compounds originating from electrical and electronic material.
All the electrical and electronic equipment supplied after 13 August 2005 is marked with this symbol, pursuant to
European directive 2012/19/EU 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 of used electrical appliances: contact TECSYSTEM or the TECSYSTEM agent to receive information on
correct disposal of the appliances.
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.
EQUIPMENT DISPOSAL
TROUBLESHOOTING
CAUSES AND SOLUTIONS
The control unit does not switch on and the
supply to terminals 40-42 is correct.
Check that: the connector is firmly inserted in its place, the connection
wires are tight and that there are no obvious signs of burns on the
connectors. Turn off the power supply and carry out the above
instructions, restore the voltage.
CH4 is in FAULT (FOC)
Programming error of the CH4 / YES control unit. Check and repeat
the programming on page 19-20 select CH4 /NO.
One of the three/four channels is in FAULT
(FOC-FCC-FLT)
Display message
FCC:
exceeding of the minimum full scale value =
measured temperature < -35°C
Display message
FOC
: exceeding of the maximum full scale value =
detected temperature > 195°C
Display message
FLT
: Sensor disconnected or faulty. Check the state
of operation of the FO sensors
When turned on, the indication (ECH) appears
A strong disturbance has damaged the memory data. See the
paragraph for programmed data diagnostics on page 18.
The indication FAULT (TEC) is displayed
CONC.521 is disconnected, it is advisable to check the connection
between the CONC.521 and the control unit FO 935.
Contact the TECSYSTEM Technical Department if the problem persists.
WARRANTY REGULATIONS
