Error Display - Fisher FSKI-121B-EU Installation Instructions Manual

2. The unit cannot be controlled by button operation after plugging out the card.

6. Error Display

If there is malfunction during running of the system, LCD will display error code at temperature–displayed
location. Once there is more than one malfunction, error codes will be displayed circularly. If there are multiple
circuit systems, the system number of failed system will be displayed before the colon (not for single system).
If malfunction occurs, turn off the unit and contact nearest dealer for help.
As shown in Fig.19, it means high pressure protection of system 2 under unit on.
Error code
E0 Water Pump Malfunction
E1 High pressure protection of compressor
E3 Low pressure protection of compressor
E4 High discharge temperature protection of compressor
E5 Compressor overload or drive error
E6 Communication malfunction
E9 Water overflow protection
F0 Indoor unit ambient sensor malfunction at air return opening
F1 Evaporator sensor malfunction
F2 Condenser sensor malfunction
F3 Outdoor unit ambient temperature sensor malfunction
F4 Discharge temperature sensor malfunction
F5 Ambient sensor malfunction on Displayer (or LED board)
DC Inverter Cassette Type Air Conditioner Installation and Operation Manual
Error code meaning:
Fig. 19
Malfunction
25