York YLCA User Manual

1.2.13 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 probe Automatic
E2 B2 probe Automatic
E3 B3 probe Automatic
E4 B4 probe Automatic
ELS Low voltage power supply Automatic
EHS High voltage power supply Automatic
EPr Eprom Error. Unit running. Automatic
EPb Eprom Error. On 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 User manual
1.2 Operating instructions µC2
22

York YLCA Specifications

General

Brand	York
Model	YLCA
Category	Heat Pump
Language	English