13
VRT300 SERIES
The purchased product is covered by manufacturer's or seller's warranty as per the "Tecsystem s.r.l.'s General
Conditions of Sale" available at www. tecsystem.it and/or the purchase agreement drawn up.
Said Warranty is valid only when the Product fails due to reasons attributable to TECSYSTEM srl, such as manufacturing
faults or faulty components.
The Warranty is invalid when the product is tampered with / modified, connected incorrectly, causing voltages outside the
permitted limits, non-compliant with the use and installation technical specifications, as described in this instruction
manual.
The Warranty is always ex our Corsico works, as stated in the "General Conditions of Sale".
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 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.
M1-M2-M3 over-current red LED ON
Check the condition of the fans and replace any faulty ones. Re-
program the device.
M1-M2-M3 under-current yellow LED ON
Check the condition of the fans, the cables and the supply. Re-
program the device.
All the LEDs are flashing
Memory error, press RESET and repeat the programming
procedure.
All the LEDs are ON
Likely microcontroller fault, return the device to Tecsystem for repair.
Contact
TECSYSTEM Technical Department if the problem persists.
European directives 2012/19/EC (WEEE) and 2011/65/EC (RoHS) have been approved to reduce electrical and
electronic waste and promote the recycling and reuse of the materials and components of this 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 the 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 the 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.
EQUIPMENT DISPOSAL
WARRANTY REGULATIONS
