tau D749MA Installation Manual page 27

11. SET-UP FOR OPERATION WITH TAU APPS
In order to use the TauApp and TauOpen apps, it will be necessary to connect to input J4 of the D749MA
control unit using the supplied cable, the respective T-WIFI and T-CONNECT devices. To activate the
operation of the apps see the respective instructions.
12. MALFUNCTIONS: POSSIBLE CAUSES AND SOLUTION
The automation does not start
a- Check there is 230V AC power supply with the multimeter.
b- Check, in the standard mode, that the NC contacts on the board are really normally closed (4
green LEDs on).
c- Set dip-switch 6 (phototest) OFF.
d- Increase the FR trimmer to the limit.
e- Check that the fuses are intact with the multimeter.
The radio control has very little range
a- Check that the ground and the aerial signal connections have not been inverted.
b- Do not make joints to increase the length of the aerial wire.
c- Do not install the aerial in a low position or behind walls or pillars.
d- Check the state of the radio control batteries.
The automation opens the wrong way
Invert the motor connections on the terminal block (terminals 28 and 29 for M1; terminals 23 and 24 for M2).
12. GUARANTEE: GENERAL CONDITIONS
TAU guarantees this product for a period of 24 months from the date of purchase (as proved by the
sales document, receipt or invoice).
This guarantee covers the repair or replacement at TAU's expense (ex-works TAU: packing and trans-
port at the customer's expense) of parts that TAU recognises as being faulty as regards workmanship
or materials.
For visits to the customer's facilities, also during the guarantee period, a "Call-out fee" will be charged
for travelling expenses and labour costs.
The guarantee does not cover the following cases:
• If the fault was caused by an installation that was not performed according to the instructions
provided by the company inside the product pack.
• If original TAU spare parts were not used to install the product.
• If the damage was caused by an Act of God, tampering, overvoltage, incorrect power supply,
improper repairs, incorrect installation, or other reasons that do not depend on TAU.
• If a specialised maintenance man does not carry out routine maintenance operations accord-
ing to the instructions provided by the company inside the product pack.
• Wear of components.
The repair or replacement of pieces under guarantee does not extend the guarantee period.
In case of industrial, professional or similar use, this warranty is valid for 12 months.
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