EN
Intensive pre-heater cooling by activation of manual protection
.46
Internal communication error
.47
DX cooler defrosting
.48
Too high relative humidity in extract air during 3 days. Increased air flow
.49
Too high relative humidity in extract air. Increased air flow
.5
Broken rotor belt. The system is off
.5
EKR automation alarms
Indication
Meaning (see device technical manual for alarm description)
Fans fault
.
Supply air temperature sensor fault
.
Return water temperature sensor fault
.3
Outdoor temperature sensor fault
.4
Fire protection is activated
.5
Supply air temperature is too low ( < -10'C) (A2)
.6
Overheat of fans. A4 input (A4)
.7
Sensors fault
.8
Return water temperature is critical (A5)
.9
Low power (A7)
.
Overheat (A6)
.
Contaminated filters
.
Supply air temperature is too high (>40'C) (A6)
.3
CUSTOM automation alarms (add after setting of CUSTOM modbus addresses)
Indication
Meaning
.
.
.3
.4
.5
.6
.7
.8
.9
.
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