Technical information

Alarm table
Alarm table
Display Alarm type Reset
A1 Antifreeze alarm Manual
Aht
High temperature at start-up (if activated,
P20=1)
Automatic
ALt
Low temperature at start-up (if activated,
P20=1)
Automatic
d1-2 Defrost operating -
dF1-2 Problem in defrost Automatic
E1 B1 sensor Automatic
E2 B2 sensor Automatic
E3 B3 sensor Automatic
E4 B4 sensor Automatic
ELS Low supply voltage Automatic
EHS High supply voltage Automatic
EPr Eprom. error. Unit operating. Automatic
EPb Eprom. error. At start-up Automatic
ESP
Communication failure with expansion
module
Automatic
EL Problem at fan voltage control Automatic
FL Flow switch / pump protector Manual
Hc Compressor maintenance alarm Automatic
HP High pressure / Fan heat switch Manual
Ht High water temperature alarm Automatic
L Low charge alarm Automatic
LP Low pressure Manual
1 Technical Information
1.13 Operating instructions
66