Hitachi RAS-18SX8 Manuel De Maintenance page 243

Lighting mode of the self-diagnosis lamp
2
Lighting mode of the self-diagnosis lamp
CUT THE POWER SOURCE AND WAIT
MORE THAN 10 MINUTES BEFORE
SERVICE WORK.
CONFIRM THE DC VOLTAGE AT THE
MEASURING POINT SHOWN IN FIGURE
MUST BE LESS THAN 10V.
SELF-DIAGNOSIS LIGHTING MODE
L
L
D D
3
3
0 0
2
1
RED RED
SELF-DIAGNOSIS LIGHTING MODE
L
L
D D
3
3
0 0
1
2
RED RED
ONCE
2TIMES
3TIMES
4TIMES
5TIMES
6TIMES
7TIMES
9TIMES
10TIMES
11TIMES
12TIMES
13TIMES
※EXAMPLE OF
BLINKING
(5 TIMES)
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D A N G E R (DC350V)
DURING OPERATION
:LIGHT :BLINK
L
SELF-DIA-
D
3
DETAILS
0
GNOSIS NAME
3
RED
NORMAL
COMPRESSOR OPERATION
OPERATION
(2)
(1)
OVERLOAD
(1)
OVERLOAD
(2)
THE ROTATION SPEED IS AUTO-
MATICALLY CONTROLLED TO PROTECT
OVERLOAD
THE COMPRESSOR IN THE OVERLOAD
(3)
CONDITION.
DURING STOP
:LIGHT
L
D SELF-DIA-
3
DETAILS
0
GNOSIS NAME
3
RED
POWER NOT
STOPPED BY
COME TO THE
THERMOSTAT
UTDOOR P.W.B.
OR CONTROLLER.
NORMAL STOP
AIR CLEAN
MICROPROCESSOR WAS
OPERATION ,
REBOOTED.
RESET STOP
COMPRESSOR PEAK
PEAK CURRENT
CURRENT WAS BEYOND
CUT
MAXIMUM LIMIT.
ABNORMAL LOW LOST THE COMPRESSOR
ROTOR POSITION.
SPEED ROTATION
SWITCHING FROM LOW
SWITCHING
FREQUENCY SYNC START
FAILURE TO POSITION DETECTION
OPERATION FAILURE.
OVERLOAD PROTECTION
FUNCTION IS
OVERLOAD LOWER
REQUESTING LOWER
LIMIT CUT
SPEED THAN MINIMUM
SPEED OF COMPRESSOR.
COMPRESSOR OVERHEAT
OH THERMISTOR
WAS DETECTED BY
TEMP. RISE
OH THERMISTOR.
ABNORMAL THERMISTOR
THERMISTOR
VALUE (OPEN OR SHORT) WAS
ABNORMAL
DETECTED.
COMMUNICATIONS
COMMUNICATIONS BETWEEN INDOOR UNIT
ERROR AND OUTDOOR UNIT
ARE INTERRUPTED.
ABNORMAL POWER
ABNORMAL
SOURCE WAS DETECTED.
POWER SOURCE
FAN STOP FOR FAN STOP FOR
STRONG WIND STRONG WIND
OUTDOOR FAN RPM
FAN LOCK
IS NOT ROTATE AS
ERROR
INTENDED RPM.
MICROCOMPUTER
EEPROM
CANNOT READ THE
READ ERROR
DATA IN EEPROM.
( ・ ・LIGHTS FOR 0.25
2SEC.
SEC. AT INTERVAL
OF 0.25 SEC.
manuals search engine
DC VOLTAGE
MESUREMENT
POINT ( ＋ )
DC VOLTAGE
MESUREMENT
POINT ( − )
IPM
:OFF
OUTDOOR FAN
MAIN CHECK
MOTOR CONNECTOR
POINT
PLEASE PERFORM 『SELF-CHACK』 WHEN THE LD301
NOT
BLINKING 2,3 AND 4 TIMES.
MALFUNCTION
SET
THIS SHOWS
VALUE
『Ｓ Ｅ Ｌ Ｆ −Ｃ Ｈ Ｅ Ｃ Ｋ』 ＭＡ Ｎ Ｕ Ａ Ｌ
AN OVERLOAD
(3)
PROTECTION
1.PUT THE POWER OFF
TIME
STATUS.
2.REMOVE THE SELF-CHECK CONNECTOR "CN30".
NOT
3.PUT THE POWER ON AND OPERATE INDOOR UNIT
MALFUNCTION.
WITH THE AIR PURIFYING OPERATION MODE.
4.PUSH 『TEST SWITCH』 DURING 1SEC.
5.SELF-CHECK RESULT WILL DISPLAY AT LD303.
6.PUT THE POWER OFF AND CONNECT THE SELF-
CHECK CONNECTOR "CN30".
:BLINK :OFF
※IF FORGET TO CONNECTING THE "CN30", THE
TIMER LAMP OF THE INDOOR UNIT BLINKS
MAIN CHECK
12TIMES.
POINT
・CONNECTING CORD
DIFECTIVE
・REACTOR DEFECTIVE
・FUSION OF F4
SELF-DIAGNOSIS LIGHTING MODE
(2A,FUSE)
L
NOT MALFUNCTION
D
3
0
P.W.B.
1
RED RED
REFER TO THE
SELF-CHECK
ONCE
REFER TO THE
SELF-CHECK
2TIMES
REFER TO THE
SELF-CHECK
7TIMES
・OUTDOOR UNIT IS EXPO-
SED TO DIRECT SUNLIGHT
OR ITS AIRFLOW BLOCKED
10TIMES
・THE VOLTAGE IS EXTR-
EMELY LOW
・LEAKAGE OF REFRIGE- 13TIMES
RANT COMPRESSOR OH ※EXAMPLE OF
THERMISTOR CIRCUIT BLINKING
(5 TIMES)
・FAN MOTOR CIRCUIT
・THERMISTOR CONNEC-
TING DEFECTIVE
『Ｏ Ｕ Ｔ Ｄ ＯＯ Ｒ Ｆ Ａ Ｎ ＭＯ Ｔ Ｏ Ｒ Ｃ Ｈ Ｅ Ｃ Ｋ』 Ｄ Ｉ ＡＧ Ｎ Ｏ Ｓ Ｉ Ｓ Ｍ Ｅ Ｔ ＨＯ Ｄ
・THERMISTOR CIRCUIT
1.PUT THE POWER OFF.
・CABLE IS WRONG
2.REMOVE THE INDOOR FAN MOTOR'S CONNCTOR
CONNECTED
"CN24".
・INTERFACE CIRCUIT
3.ROTATE THE FAN MOTOR BY HAND AND CHECK
OF BETWEEN
・POWER SOURCE THE FAN MOTOR IS LOCKED OR NOT.
CABLE IS WRONG
4.MEASURE THE RESISTANCE BETWEEN EACH
・CONNECTED SYSTEM
TERMINAL OF THE FAN MOTOR CONNECTOR.
POWER MODULE
NORMAL RESISTANCE BETWEEN EACH TERMINAL : 20〜50Ω
※WHEN CHECK IS FINISHED, INSERT THE CONNECTOR.
NOT MALFUNCTION
※Ｏ Ｔ Ｈ Ｅ Ｒ Ｓ Ｃ Ｈ Ｅ Ｃ Ｋ Ｐ Ｏ Ｉ Ｎ Ｔ Ｓ
・FAN MOTOR
１ ． ＷＨ Ｅ Ｎ Ｄ Ｉ Ｓ Ｐ Ｌ Ａ Ｙ 『Ｒ Ｅ Ｖ Ｅ Ｒ Ｓ Ｉ Ｎ Ｇ ＶＡ Ｌ Ｖ Ｅ Ｄ Ｅ Ｆ Ｅ Ｃ Ｔ Ｉ Ｖ Ｅ Ａ Ｔ Ｔ Ｈ Ｅ Ｉ Ｎ Ｄ ＯＯ Ｒ Ｕ Ｎ Ｉ Ｔ．
・FAN MOTOR CIRCUIT
・ Ｃ Ｈ Ｅ Ｃ Ｋ Ｔ Ｈ Ｅ Ｒ Ｅ Ｖ Ｅ Ｒ Ｓ Ｉ Ｎ Ｇ ＶＡ Ｌ Ｖ Ｅ Ｃ Ｏ Ｎ Ｎ Ｅ Ｃ Ｔ Ｏ Ｒ Ｉ Ｓ Ｃ Ｏ Ｎ Ｎ Ｅ Ｃ Ｔ Ｅ Ｄ Ｏ Ｒ Ｎ Ｏ Ｔ．
・ Ｃ Ｈ Ｅ Ｃ Ｋ Ｔ Ｈ Ｅ Ｃ Ｏ Ｎ Ｔ Ｉ Ｎ Ｕ Ｉ Ｔ Ｙ Ｏ Ｆ Ｔ Ｈ Ｅ Ｌ Ｅ Ａ Ｄ Ｗ Ｉ Ｒ Ｅ Ｓ．
P.W.B.
⇒ Ｉ Ｆ Ｔ Ｈ Ｅ Ａ Ｂ ＯＶ Ｅ Ｐ Ｏ Ｉ Ｎ Ｔ Ｓ Ａ Ｒ Ｅ Ｏ Ｋ Ｂ Ｕ Ｔ Ｆ Ｕ Ｓ Ｅ Ｆ ３ Ｈ Ａ Ｓ Ｂ Ｅ Ｅ Ｎ Ｂ Ｌ ＯＷ，
Ｃ Ｈ Ａ Ｎ Ｇ Ｅ Ｔ Ｈ Ｅ Ｅ Ｌ Ｅ Ｃ Ｔ Ｒ Ｉ Ｃ Ａ Ｌ Ｃ Ｏ Ｎ Ｔ Ｒ Ｏ Ｌ Ｌ Ｉ Ｎ Ｇ Ｂ Ｏ Ｘ．
(
２． 『 ＷＨ Ｅ Ｎ Ｄ Ｉ Ｓ Ｐ Ｌ ＡＹ Ｔ Ｈ Ｅ Ｃ ＯＭＭＵ Ｎ Ｉ Ｃ Ａ Ｔ Ｉ Ｏ Ｎ Ｅ Ｒ Ｒ Ｏ Ｒ Ｏ Ｒ Ｔ Ｈ Ｅ Ｏ Ｕ Ｔ Ｄ ＯＯ Ｒ Ｄ Ｏ
Ｎ Ｏ Ｔ Ｒ Ｕ Ｎ Ａ Ｔ Ａ Ｌ Ｌ』 ．
・ Ｐ Ｌ Ｅ Ａ Ｓ Ｅ Ｃ Ｈ Ｅ Ｃ Ｋ Ｔ Ｈ Ｅ Ｃ Ｏ Ｎ Ｔ Ｉ Ｎ Ｕ Ｉ Ｔ Ｙ Ａ Ｔ Ｔ Ｈ Ｅ Ｉ Ｎ Ｄ ＯＯ Ｒ Ｏ Ｕ Ｔ Ｄ ＯＯ Ｒ
Ｃ Ｏ Ｎ Ｎ Ｅ Ｃ Ｔ Ｉ Ｎ Ｇ Ｃ Ａ Ｂ Ｌ Ｅ．
– 276 –
CONTROL P.W.B.
TEST SWITCH
SELF-CHECK FOR CN30
『Ｓ Ｅ Ｌ Ｆ −Ｃ Ｈ Ｅ Ｃ Ｋ』 Ｉ Ｓ Ｆ Ｉ Ｎ Ｉ Ｓ Ｈ Ｅ Ｄ
:LIGHTING :BLINKING
L L
D D
SELF-DIA-
3
3
CORRECTION CONTENTS
0 0
GNOSIS NAME
2 3
RED
NOT ELECTRIFICAL
EXCHANGE OF COMPRESSORS
DEFECTIVE
PEAK CURRENT CUT
EXCHANGE OF ELECTRICAL
SIGNAL DETECTION
CONTROLLING BOX.
・CHECK THE COMPRESSER
ABNORMAL COMP- CONNECTOR
・EXCHANGE OF ELECTRICAL
RESSER CURRENT
CONTROLLING BOX.
EXCHANGE OF ELECTRICAL
ABNORMAL DC
CONTROLLING BOX.
VOLTAGE
EEPROM READING EXCHANGE OF ELECTRICAL
ERROR CONTROLLING BOX.
( ・ ・LIGHTS FOR 0.25
2SEC.
SEC. AT INTERVAL
OF 0.25 SEC.
LD301
LD302
LD303
:OFF
(