Self-Checking Of Central Station (Psc-3S1) - Hitachi RPI-0.8FSG1 Service Manual

TROUBLESHOOTING

1.3.5 Self-Checking of Central Station (PSC-3S1)

This procedure is utilized for regular maintenance check, and if the central station is malfunction.
Turn ON the main power switch.
1
Checking of LCD and Indicating Circuit:
2
Simultaneously depress the following 4 switches, [FAN] [COOL] and [
During operation, they can be depressed.
All the LCD indications activated, for 5 seconds.
All the LCD indications deactivated, for 1 second.
NORMAL:
All the LCD indications activated, for 5 seconds.
All the LCD indications deactivated, for 1 second.
Checking of Touch Type Switch Function:
3
Depress all the touch type switches one by one.
Any one of the switches can be depressed.
After 15 Seconds
Checking of Transmission Circuit:
4
Automatically checked, and the result will be
indicated as figure right, for 3 seconds.
Return to the indication before the self-checking.
5
1-110
NORMAL:
] [ ] of "UNIT".
By depressing a particular touch type switch,
the corresponding segment is activated.
Temp. Indication Part
(UNIT)
MNTR
(UNIT)
(TEMP.) HEAT
RMT
(TEMP.)
INDVL PRGM TIMER
NORMAL
[blank]
DRY RUN/STOP
COOL
FAN
ABNORMAL