Friedrich Floating Air Pro Multi-Zone FPHMR42A3A Service Manual page 258

Indoor Fault Codes
(2) Fault codes indicated by LED lamps on display panel
Lamp RUN(LED2 ,red) and Lamp DEFROS T（LED5 ,green）flashing ，Lamp RUN display
fault code ten digit number, lamp DEFROST disp lay fault code single digit number (as shown
fig. below).
Fo r example ， fault code 36: led R UN & defrost flash 3 times at the same time, and led
DEFROST continue flash 3 times,repor ts No. 36 fault.
Display panel
LED FALSH CONTROL ：flash 300mS(T1) ，off 300mS(T2) ，after 2000mS(T3)fault code
258
TROUBLESHOOTING
2 1
2 1
1 Run indicator (Red)
Indicates the fault code ten digital number.
2 Defrost indicator (Green)
Indicates the fault code singal digital number.
T1 T2
FIG. 2 LED flash control
1 2
T3
1 2
repeat displa ys. (a s shown below)