Danfoss thermostat error codes

Danfoss 088l5133 thermostat error codes

E0Internal failure. Replace thermostat
E1Air sensor defective or short-circuited. Replace thermostat
E2Floor sensor defective or short-circuited. Check floor sensor

Danfoss 088U0215 thermostat error codes

Error IndicationPossible Cause
The LED, BELL and LOW BATTERY flashes every 5th minuteLow battery
The LED, BELL and LOW BATTERY flashes every 30 sec.Critical low battery
The LED, BELL, LOW BATTERY and SIGNAL flashesCritical low battery - transmission has stopped
The LED, BELL and SIGNAL flashes 5 timesInstallation/LinkTest is unsatisfactory
E03 and BELLActuator error on output (CF-MC)
E05 and BELLRoom temperature below 5°C