10
Should you experience any problems with the Devimat
™
not warming the fl oor, before
calling DEVI, the following tests should be carried out:
Devimat
™
Trouble Shooter
No.
1
2
3
4
5
Test
Check for a 230V supply to the ther-
mostat on terminals 1 and 2.
Rotate thermostat dial to position 10
and test for a 230V output on termi-
nals 3 and 4. This may take a few
minutes to switch on.
Turn off power to thermostat and test
resistance of fl oor sensor.
Turn off power to thermostat and test
resistance of the devimat™.
Turn off power to thermostat and
ensure there is no continuity between
the conductors and the earth screen.
Expected Outcome
230V
230V
10-20k , depending on
temperature of fl oor.
27-550 , depending on
mat size (see mat label).
No continuity.
Action
If no voltage present, connect supply.
Firstly, check resistance of fl oor sensor
fi rst (step 3). If fl oor sensor is normal,
the thermostat is faulty-contact your
supplier.
If sensor is faulty, call your supplier for
replacement.
If mat is faulty, the mat has been dam-
aged, contact your supplier.
If there is continuity between the
conductor and screen, the mat has
been damaged, contact your supplier.
If the outer ring on the Devireg
™
550 controller is fl ashing you have a fault, note the small
number at the bottom of the display and follow the procedures below:
Devireg
™
550 Controller Trouble Shooter
Fault
Devireg
™
550 controller
indicating error No. 2.
Devireg
™
550 controller
indicating error No. 3.
Devireg
™
550 controller
indicating error No. 4.
Devireg
™
550 controller
indicating error No. 5.
Devireg
™
550 controller
indicating error No. 6.
Devireg
™
550 controller
indicating error No. 7.
Devireg
™
550 controller
not working at all.
Possible Cause
Unit Confi gured as a Master,but
can detect another master unit
Unit Confi gured as a Slave, but
cannot detect another master unit
The thermostat is over heating
Sensor fault-fl oor sensor short-cir-
cuit
Sensor fault-fl oor sensor open-cir-
cuit
Clock not adjusted
No power
Wiring incorrect or Faulty unit
Solution
Only one unit may be confi gured as a master-
see 550 programming instructions.
Only one unit may be confi gured as a master-
see 550 programming instructions.
Let the thermostat cool down and check the
wiring.
Check the fl oor sensor wiring and check for a
resistance reading of 10K - 24K Ohms.
Check the fl oor sensor wiring and check for a
resistance reading of 10K - 24K Ohms.
Set the clock.
See devimat
™
Trouble Shooter above.
IF AT ANY POINT THE CONTROLLER IS NOT FUNCTIONING CORRECTLY PLEASE
TURN OFF THE POWER AND RESET THE CONTROLLER.
(48 strony)
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