DEVIREG Trouble Shooter

Guide to devireg Controller Trouble Shooter
If the outer ring on the devireg® 550 controller is flashing, you have a fault. Note the small
number at the bottom of the display and follow the procedures below. Please note, you can also download the devireg 550 user guide, for operating instructions.
FaultPossible Cause Solution
deviheat® 550 controller indicating error No. 2 Unit configured as a master, but can detect another master unit Thermostat incorrectly set during configuration. See step 2, page 7 of user guide. Set to ALO.
deviheat® 550 controller indicating error No. 3 Unit configured as a slave but, cannot detect another master unit Thermostat incorrectly set during configuration. See step 2, page 7 of user guide. Set to ALO.
deviheat® 550 controller indicating error No. 4 The thermostat is over heating

Call an electrician. (Let the thermostat cool down then enter basic set-up to leave error mode).             

deviheat® 550 controller indicating error No. 5 Sensor fault-floor sensor short-circuit Call an electrician, (Have an authorised electrician check the wiring and obtain a resistance reading of 10K - 24K Ohms).
deviheat® 550 controller indicating error No. 6 Sensor fault-floor sensor open-circuit Call an elecrician, (Have an authorised electrician check the floor sensor wiring and obtain a resistance reading of 10K - 24K Ohms.
deviheat® 550 controller indicating error No. 7 Clock not adjusted Set the clock.
deviheat® 550 controller not working at all No power
Wiring incorrect or
faulty unit
Have an authorised electrician check the wiring.

IF AT ANY POINT THE CONTROLLER IS NOT FUNCTIONING CORRECTLY PLEASE TURN OFF THE POWER AND RESET THE CONTROLLER.