Operation Lamp - Panasonic CS-MKS9NB4U Technical & Service Manual

(1) Self-diagnostics Lamps
INDOOR UNIT
Since the indications cover various units, the corresponding parts listed below may not be present in some models.
INDICATION ON INDOOR UNIT
HIGH
OPERATION
TIMER
POWER
TIMER
BLINKING (3 SEC. INTERVAL)
LAMP
CODE DIAGNOSIS CONTENTS
S01
ROOM TEMP. SENSOR TROUBLE
I/D HEAT EXCHANGER TEMP.
S02
SENSOR TROUBLE
COMPRESSOR TEMP. SENSOR
S04
TROUBLE
O/D HEAT EXCHANGER TEMP.
S05
SENSOR TROUBLE
S06
O/D AIR TEMP. SENSOR TROUBLE
S07
O/D CURRENT SENSOR ERROR
I/D-O/D COMMUNICATION
TROUBLE
E01
(SERIAL COMMUNICATION
TROUBLE)
HIC CIRCUIT TROUBLE
E02
POWER TR CIRCUIT TROUBLE
O/D UNIT EXTERNAL ROM
E03
TROUBLE
E04
CURRENT PEAK CUT
PAM CIRCUIT TROUBLE
E05
ACTIVE CIRCUIT TROUBLE
COMPRESSOR
E06 DISCHARGE TEMP.
OVERHEATING PREVENTION
I/D FAN OPERATION TROUBLE
E07
4-WAY VALVE SWITCHING
E08 TROUBLE
ZERO-CROSS TROUBLE
E09
GAS-LOSS PREVENTION
DC COMPRESSOR DRIVE
E10
CIRCUIT TROUBLE
E11
O/D DC FAN OPERATION TROUBLE
O/D SYSTEM COMM FAILURE,
E12
OLR OPERATION, O/D POWER
OPEN PHASE, O/D FREEZING
E13
FREEZING-PREVENTION OPERATION
FLOAT SWICTH (FS) IS ACTIVED.
OPERATION button

OPERATION lamp

TIMER lamp
HIGH POWER lamp
REMOTE CONTROL receiver
.... OFF .... BLINKING
POSSIBLE MALFUNCTION
(1) OPEN OR SHORT CIRCUIT IN SENSOR
(2) POOR CONTACT AT CONNECTOR OR OPEN
CIRCUIT AT TERMINAL PRESS-FIT LOCATION.
(3) I/D PCB FAILURE (I/D = INDOOR)
(1) OPEN OR SHORT CIRCUIT IN SENSOR
(2) POOR CONTACT AT CONNECTOR OR OPEN
CIRCUIT AT TERMINAL PRESS-FIT LOCATION
(3) O/D PCB FAILURE (O/D = OUTDOOR)
O/D PCB FAILURE
(1) MIS-WIRING (2) AC POWER FAILURE (3) BLOWN FUSE
(4) POWER RELAY FAILURE (5) I/D OR O/D PCB FAILURE
(6) O/D FAN MOTOR FAILURE (7) REACTOR FAILURE
(8) HIGH-PRESSURE SW FAILURE (9) OLR FAILURE (10) MAGNETIC COIL FAILURE
(1) HIC OR POWER TR FAILURE (2) O/D FAN NOT OPERATING
(3) INSTANTANEOUS POWER STOPPAGE (4) SERVICE VALVE NOT OPENED
(5) O/D FAN BLOCKED (6) CONTINUOUS OVERLOAD OPERATION
(7) COMPRESSOR FAILURE (8) O/D PCB FAILURE
(1) EXTERNAL ROM DATA FAILURE (2) O/D PCB FAILURE
(1) INSTANTANEOUS POWER STOPPAGE (2) HIC OR POWER TR FAILURE
(3) O/D PCB FAILURE
(1) O/D PCB FAILURE
(2) O/D POWER VOLTAGE TROUBLE
(1) ELECTRIC EXPANSION VALVE FAILURE (2) CHOKED CAPILLARY TUBE
(3) INSUFFICIENT GAS (4) CONTINUOUS OVERLOAD OPERATION
(5) O/D FAN NOT OPERATING (6) O/D PCB FAILURE
(1) FAN MOTOR FAILURE (2) CONNECTOR CONTACT FAILURE
(3) I/D PCB FAILURE
(1) 4-WAY VALVE FAILURE (HEAT PUMP MODEL ONLY)
(2) O/D PCB FAILURE
(1) SERVICE VALVE NOT OPENED (2) INSUFFICIENT GAS
(1) OPEN PHASE (2) O/D PCB FAILURE
(1) FAN MOTOR FAILURE (2) CONNECTOR CONTACT FAILURE
(3) O/D PCB FAILURE
(1) MIS-WIRING (2) BLOWN FUSE
(3) POWER RELAY FAILURE (4) O/D PCB FAILURE
(5) COMPRESSOR FAILURE
(1) I/D FAN SYSTEM TROUBLE (2) INSUFFICIENT GAS
(3) OPERATION AT LOW TEMPERATURE
(1) DRAIN PUMP FAILURE (2) FS FAILURE (3) CHOKED DRAIN HOSE
32
.... ON
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