Error Messages - AERMEC Srp ELESTA DOMOTESTA 300 Manual De Uso

The electronic control indicates the different operation modes of the unit and the system to the user; for this, some codes are
used to identify the operation mode or current errors; all these messages are displayed on the main screen (shown on page 6 of
Table of Errors
contents
Er 1 Faulty boiler probe 1
Er 2 Faulty boiler probe 2 (below)
Er 10 Faulty external probe 1
Er 11 Faulty external probe 2
Er 12 Faulty ambient probe
Er 14 Faulty delivery probe
Er 21 Faulty return probe
Er 24 Faulty energy generator probe / return probe to the unit
Er 25 Faulty accumulator stopper probe 2
Er 28 Faulty flat-plate collector probe
Er 29 Faulty WP delivery probe
Er 31 General error of the energy generator
Er 32..36 Error 2 or 1 of the energy generator (high pressure)
Er 33..37 Error 2 or 1 of the energy generator (low pressure)
Er 34..38 Error 2 or 1 of the energy generator (safety series)
Er 35..39 Error 2 or 1 of the energy generator (geothermal probe pressure and flow, motor heating)
Er 40 Maximum temperature of the flat-plate collector exceeded
Er 41 Maximum power of the solar collector exceeded
Er 42 Antifreeze unit
Er 45 Faulty condenser probe of the unit
Er 46 Faulty suction gas temperature probe of the unit
Er 47 Unsuccessful defrosting
Er 48 Faulty evaporator probe of the unit
Er 49 Faulty geothermal temperature probe of the unit
Er 5Y Regulator internal error
Er 6Y Problems on the regulator bus.
Er 7Y Problems on the system bus
Er 8Y Interface error

ERROR MESSAGES

this manual); index 24).
Find below the meanings of the codes displayed on the screen
25