23
INSTALLERUSER
MAINTENANCE TECHNICIAN
Error
Code
Anomaly signalled Protection/notes function System status / Solution
27 Compressor faulty
O, freezing protection active and compressor
does not restart
1. Check the supply voltage: CA 220-s40V
+/- 10V
2. Coolant cycle overload
3. Check
28 Low pressure switch
O, freezing protection active and compressor
does not restart
29 High pressure switch
O, freezing protection active and compressor
does not restart