Electra KN 24 RC, Руководство по обслуживанию, Страница: 91 / 168

11-36
CONTROL SYSTEM
Revision Y06-02 Service Manual - KN Series
11.16 Syste m Di a gnosti c s
Pressing Mode button f or 5-10 seconds in SB or any other operation m ode w ill activate
the DI A GNOSTICS m ode, ac k no w ledged by 3 short beeps and lighting o f COOL and
HE A T LEDs.
In DI A GNOSTICS m ode, syste m f ailures w ill be indicated by the blin k ing o f HE A T &
COOL LEDs.
The coding
m ethod is as f ollo w s:
x
HE A T LED blin k s 5 ti m es in 5 seconds, and then turns o ff f or the next 5
seconds.
x
COOL LED blin k s during the sa m e 5 seconds according to the f ollo w ing table:
No. Proble m 1 2 3 4 5
1 RT1 is disconnected
ż Ɣ Ɣ Ɣ Ɣ
2 RT1 is shorted ż Ɣ Ɣ Ɣ ż
3 RV f ault
ż Ɣ Ɣ ż Ɣ
4 RT2 is disconnected Ɣ ż Ɣ Ɣ Ɣ
5 RT2 is shorted
Ɣ ż Ɣ Ɣ ż
6 (Reserved) Ɣ ż Ɣ ż Ɣ
7 RT2 te m p reading doesn’t change
Ɣ ż Ɣ ż ż
8 RT3 is disconnected Ɣ Ɣ ż Ɣ Ɣ
9 RT3 is shorted
Ɣ Ɣ ż Ɣ ż
10 (Reserved)
Ɣ Ɣ ż ż Ɣ
11 RT3 te m p reading doesn’t change Ɣ Ɣ ż ż ż
12 RT2 & RT3 te m p reading doesn’t change
Ɣ ż ż ż ż
LEGEND
ż - ON, Ɣ - OFF
N O TES
1. If f a ults o cc ur in m ore th a n one ther m istor (e xc ept ca se
nu m ber 12 in t a ble a bo v e), only one f a ult will be indi ca ted
acc ording to the following order: RT 3 , RT2, RT1.
2. A/C will return to nor ma l m ode when sending a c o mma nd by
the R/C during syste m DIAGNOSTICS m ode. If the c o mma nd
fro m the R/C c ont a ins a Group ID, the ID will be c o m e the new
Group ID of the ELCON unit.