Panasonic CZ-RD515U User Manual
4-2. Self-Diagnostics Table (Ceiling Cassette Type)
Since the indications cover various units, the corresponding parts listed below may not be present in some models.
(1) DRAIN PUMP FAILURE (2) FS FAILURE (3) CHOKED DRAIN HOSE
8512-5261-99100-1
REMOTE CONTROL receiver
OPERATION lamp
TIMER lamp
OPERATION button
HIGH POWER lamp
INDOOR UNIT
TIMER
LAMP
BLINKING (3 SEC. INTERVAL)
FLOAT SWICTH (FS) IS ACTIVED.
.... OFF
CODE
DIAGNOSIS CONTENTS
POSSIBLE MALFUNCTION
ROOM TEMP. SENSOR TROUBLE
I/D HEAT EXCHANGER TEMP.
SENSOR TROUBLE
SENSOR TROUBLE
COMPRESSOR TEMP. SENSOR
TROUBLE
O/D HEAT EXCHANGER TEMP.
SENSOR TROUBLE
SENSOR TROUBLE
O/D AIR TEMP. SENSOR TROUBLE
I/D-O/D COMMUNICATION
TROUBLE
(SERIAL COMMUNICATION
TROUBLE)
O/D UNIT EXTERNAL ROM
TROUBLE
CURRENT PEAK CUT
HIC CIRCUIT TROUBLE
POWER TR CIRCUIT TROUBLE
POWER TR CIRCUIT TROUBLE
PAM CIRCUIT TROUBLE
ACTIVE CIRCUIT TROUBLE
ACTIVE CIRCUIT TROUBLE
O/D SYSTEM COMM FAILURE,
OLR OPERATION, O/D POWER
OPEN PHASE, O/D FREEZING
OLR OPERATION, O/D POWER
OPEN PHASE, O/D FREEZING
COMPRESSOR
DISCHARGE TEMP.
OVERHEATING PREVENTION
DISCHARGE TEMP.
OVERHEATING PREVENTION
I/D FAN OPERATION TROUBLE
GAS-LOSS PREVENTION
DC COMPRESSOR DRIVE
CIRCUIT
TROUBLE
O/D DC FAN OPERATION TROUBLE
FREEZING-PREVENTION OPERATION
4-WAY VALVE SWITCHING
TROUBLE
ZERO-CROSS TROUBLE
O/D CURRENT SENSOR ERROR
.... BLINKING
.... ON
OPERATION
TIMER
HIGH
POWER
POWER
(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)
(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)
(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
(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
(3) O/D PCB FAILURE
(1) O/D PCB FAILURE
(2) O/D POWER VOLTAGE TROUBLE
(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
(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
(3) I/D PCB FAILURE
(1) 4-WAY VALVE FAILURE (HEAT PUMP MODEL ONLY)
(2) O/D PCB FAILURE
(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
(3) O/D PCB FAILURE
(1) MIS-WIRING (2) BLOWN FUSE
(3) POWER RELAY FAILURE (4) O/D PCB FAILURE
(5) COMPRESSOR FAILURE
(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
(3) OPERATION AT LOW TEMPERATURE
S01
S02
S04
S05
S06
S07
E01
E02
E03
E04
E05
E06
E07
E08
E09
E10
E11
E12
E13
INDICATION ON INDOOR UNIT
8