Hitachi Utopia PAS-3HVRG, Service Manual

Page: 69 / 127

1-66
TROUBLESHOOTING
1.3.2 Self-Checking of Remote Control Switch
Cases where CHECK switch is utilized.
1. If the remote control switch readouts malfunction.
2. For regular maintenance check.
COOL
DRY
HIGH
+
SERVICE
TEMP.
ABNML
NO FUNCTION
LOW
H.STRG
SERVICE
RN HR ADDS
UNIT
FAN
AUTO VENT
SWING
ON/OFF TIMER
SET
T. RUN CHECK
LOUVER
NO FUNCTION
FAN
COOL
HEAT
DRY
AUTO
HIGH
MED
LOW
A/C
VENT
+
SWING
DEFROST
CENTRAL
H.STRG
SERVICE
ON/OFF TIMER SET TEMP.
RN HR
FILTER
T. RUN
ABNML
CHECK
ADDS
UNIT
LOUVER
HEAT
MED
A/C
DEFROST
CENTRAL
FILTER
No.
1
LCD Indication
Indicating
Period
(sec.)
For
1 second
Changing of LCD Indication
2
3
4
5
For
1 second
For
1 second
For
1 second
For
3 seconds
MODE
1 Turn ON the power source.
3
The LCD indication changes as
shown in the right figure.
To 11
2
Simultaneously depress the
following 3 switches. (During
operation, they can be depressed.)
TEMP
4
After the LCD indication changes
as shown in the right figure, the
RUN indicator flickers twice.
To the next page
6
The LCD indication changes as
shown below.
The remote control switch
automatically starts to check the
transmission circuit.
5
The LCD indication changes as
shown below.
Depress all the switches
(13 switches) one by one.
Every time the switch is depressed,
the number of the indication of (A)
part in the figure below increases
one by one.
NOTES:
1. Any order of depressing
switches is available.
2. Depressing 2 or more switches
simultaneously is invalid and
not counted.
Unless all the switches are depressed,
the checking do not proceed to the next item.
MODE
Only for
cancellation
of EEPROM,
depress the
following
3 switches
simultaneously
during changing
LCD indication.
In case that the transmission circuit is abnormal,
the LCD indication remains as the left figure and
the checking do not proceed to the next item.
TEMP
TEMP
A