Hitachi RPIL-3.0UFE1NH Service Manual page 19

2.TROUBLESHOOTING
(2) Fault codes indicated by LED lamps on display panel
Lamp RUN (LED2, Red) and Lamp DEFROST (LED5, Green) flash. Lamp RUN display fault code
is represented by 2- digit number, and lamp DEFROST display fault code is represented by single
digit number (as shown fig. below). For example,fault code 36: LED RUN & defrost flash 3 times
at the same time, and LED DEFROST continue flashing 3 times, reports No. 36 fault.
Display panel
1 2
LED FALSH CONTROL flash 300mS (T1) off 300mS(T2), after 2000mS (T3) fault code repeat displays. (as shown below)
2 1
T1 T2
FIG.2 LED flash control
1 Run indicator (Red)
Indicates the fault code represented by 2-digit number.
2 Defrost indicator (Green)
Indicates the fault code represented by single digit number.
T3
17
DEFROST FILTER TIME
RUN E M E R G ENCY
2 1