Airwell YCF055, Руководство по обслуживанию

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11-35
CONTROL SYSTEM
SM FBFRPM 1-A.0 GB
11.16 System Diagnostics
Pressing Mode button for 5-10 seconds in S B or a ny other oper a tion mode will a ctiv a te
the DIAGNO S TIC S mode, a cknowledged by 3 short beeps a nd lighting of COOL a nd
HEAT LEDs.
In DIAGNO
S TIC S mode, system f a ilures will be indic a ted by the blinking of HEAT &
COOL LEDs.
The coding method is
a s follows:
x
HEAT LED blinks 5 times in 5 seconds, a nd then turns off for the next 5
seconds.
x
COOL LED blinks during the s a me 5 seconds a ccording to the following t a ble:
No. Problem 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 a ult
ż Ɣ Ɣ ż Ɣ
4 RT 2 is disconnected Ɣ ż Ɣ Ɣ Ɣ
5 RT 2 is shorted
Ɣ ż Ɣ Ɣ ż
6 (Reserved)
Ɣ ż Ɣ ż Ɣ
7 RT 2 temp re a ding doesn’t ch a nge 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 temp re a ding doesn’t ch a nge Ɣ Ɣ ż ż ż
1 2 RT 2 & RT3 temp re a ding doesn’t ch a nge
Ɣ ż ż ż ż
LEGEND
ż - ON, Ɣ - OFF
NOTES
1. If faults occur in more than one thermistor (except case
number 12 in table above), only one fault will be indicated
according to the following order: RT3, RT2, RT1.
2. A/C will return to normal mode when sending a command by
the R/C during system DIAGNOSTICS mode. If the command
from the R/C contains a Group ID, the ID will become the new
Group ID of the ELCON unit.