Fisher FSKIF-121AE2-EU - Page 136

Troubleshooting
132 Electrical Control System
2.4 Solving steps for typical malfunction
2.4.1 For the indoor unit
2.4.1.1 Open or short circuit of temperature sensor
Checktheconnections
betweentemperature
sensorandPCB.Arethe
connectionsgood?
Correcttheconnections.No
Yes
No Replacethesensor.
ReplacetheindoorPCB
Measure theresistancevalue
ofthesensorviaAppendix 1
Isitnormal?
Yes
2.4.1.2. Outdoor unit malfunction