Technical data

56
CTC EcoZenith i250
General Information
Alarm text Description
High evaporation This message appears when the evaporation temperature is high.
Press reset and check whether the alarm recurs. If the fault recurs, contact
your installer.
Low suct gas exp. valve This message appears when the suction gas temperature is low.
Press reset and check whether the alarm recurs. If the fault recurs, contact
your installer.
Low evapor exp. valve This message appears when the expansion valve’s evaporation temperature is
low.
Press reset and check whether the alarm recurs. If the fault recurs, contact
your installer.
High evapor exp. valve This message appears when the expansion valve’s evaporation temperature is
high.
Press reset and check whether the alarm recurs. If the fault recurs, contact
your installer.
Low superheat exp. valve This message appears when the expansion valve’s superheat temperature is
low.
Press reset and check whether the alarm recurs. If the fault recurs, contact
your installer.
EVO off This message appears when there is a fault with the expansion valve control.
Contact your installer.
Phase missing This message appears in the event of a phase failure. Call in a specialist to
check the cause.
Compressor type? This message appears if there is no information about the compressor type.
Heat pump alarm This message appears if the heat pump is in alarm mode.
Driver Driver fault.
Press reset and check whether the alarm recurs.
If the fault recurs, contact your installer and tell them the error code number
where applicable.
Driver: Offline Communication error. The electrical connection box and driver of the heat
pump are not communicating.