4-2. Self-Diagnostics Table (Ceiling Cassette Type)

INDOOR UNIT

OPERATION button

 

 

OPERATION lamp

 

TIMER lamp

 

HIGH POWER lamp

 

REMOTE CONTROL receiver

Since the indications cover various units, the corresponding parts listed below may not be present in some models.

 

INDICATION ON INDOOR UNIT

.... OFF

 

 

 

 

.... BLINKING

 

 

.... ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPERATION

 

TIMER

 

 

 

HIGH

 

 

 

CODE

DIAGNOSIS CONTENTS

 

 

 

 

 

POSSIBLE MALFUNCTION

 

 

 

 

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S01

ROOM TEMP. SENSOR TROUBLE

(1) OPEN OR SHORT CIRCUIT IN SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2) POOR CONTACT AT CONNECTOR OR OPEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S02

I/D HEAT EXCHANGER TEMP.

CIRCUIT AT TERMINAL PRESS-FIT LOCATION.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SENSOR TROUBLE

(3) I/D PCB FAILURE (I/D = INDOOR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S04

COMPRESSOR TEMP. SENSOR

(1) OPEN OR SHORT CIRCUIT IN SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TROUBLE

(2) POOR CONTACT AT CONNECTOR OR OPEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CIRCUIT AT TERMINAL PRESS-FIT LOCATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O/D HEAT EXCHANGER TEMP.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S05

(3) O/D PCB FAILURE (O/D = OUTDOOR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SENSOR TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S06

O/D AIR TEMP. SENSOR TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S07

O/D CURRENT SENSOR ERROR

O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/D-O/D COMMUNICATION

(1) MIS-WIRING

(2) AC POWER FAILURE

(3) BLOWN FUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E01

TROUBLE

(4) POWER RELAY FAILURE

(5) I/D OR O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(SERIAL COMMUNICATION

(6) O/D FAN MOTOR FAILURE

(7) REACTOR FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TROUBLE)

(8) HIGH-PRESSURE SW FAILURE (9) OLR FAILURE (10) MAGNETIC COIL FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1) HIC OR POWER TR FAILURE (2) O/D FAN NOT OPERATING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E02

HIC CIRCUIT TROUBLE

(3) INSTANTANEOUS POWER STOPPAGE

(4) SERVICE VALVE NOT OPENED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER TR CIRCUIT TROUBLE

(5) O/D FAN BLOCKED (6) CONTINUOUS OVERLOAD OPERATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(7) COMPRESSOR FAILURE

(8) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E03

O/D UNIT EXTERNAL ROM

(1) EXTERNAL ROM DATA FAILURE

(2) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E04

CURRENT PEAK CUT

(1) INSTANTANEOUS POWER STOPPAGE (2) HIC OR POWER TR FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E05

PAM CIRCUIT TROUBLE

(1) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ACTIVE CIRCUIT TROUBLE

(2) O/D POWER VOLTAGE TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E06

COMPRESSOR

(1) ELECTRIC EXPANSION VALVE FAILURE (2) CHOKED CAPILLARY TUBE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DISCHARGE TEMP.

(3) INSUFFICIENT GAS (4) CONTINUOUS OVERLOAD OPERATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OVERHEATING PREVENTION

(5) O/D FAN NOT OPERATING (6) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E07

I/D FAN OPERATION TROUBLE

(1) FAN MOTOR FAILURE

(2) CONNECTOR CONTACT FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) I/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E08

4-WAY VALVE SWITCHING

(1) 4-WAY VALVE FAILURE (HEAT PUMP MODEL ONLY)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZERO-CROSS TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E09

GAS-LOSS PREVENTION

(1) SERVICE VALVE NOT OPENED (2) INSUFFICIENT GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E10

DC COMPRESSOR DRIVE

(1) OPEN PHASE (2) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CIRCUIT TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E11

O/D DC FAN OPERATION TROUBLE

(1) FAN MOTOR FAILURE

(2) CONNECTOR CONTACT FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E12

O/D SYSTEM COMM FAILURE,

(1) MIS-WIRING (2) BLOWN FUSE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OLR OPERATION, O/D POWER

(3) POWER RELAY FAILURE (4) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPEN PHASE, O/D FREEZING

(5) COMPRESSOR FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E13

FREEZING-PREVENTION OPERATION

(1) I/D FAN SYSTEM TROUBLE (2) INSUFFICIENT GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) OPERATION AT LOW TEMPERATURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TIMER

BLINKING (3 SEC. INTERVAL)

FLOAT SWICTH (FS) IS ACTIVED.

(1) DRAIN PUMP FAILURE (2) FS FAILURE (3) CHOKED DRAIN HOSE

LAMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8512-5261-99100-1

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Panasonic CZ-RD515U service manual Self-Diagnostics Table Ceiling Cassette Type

CZ-RD515U specifications

Panasonic has consistently been a leader in providing effective HVAC solutions, and the CZ-RD515U model exemplifies this dedication. This advanced remote controller is designed to enhance the user experience when managing Panasonic’s air conditioning and heat pump systems.

One of the standout features of the CZ-RD515U is its versatility. The remote can control multiple indoor units, making it suitable for both residential and commercial applications. The device supports a variety of operation modes, including cooling, heating, and auto mode, allowing users to tailor the climate control to their specific needs.

The unit boasts a clear LCD display that shows operational status, temperature settings, and mode selection, ensuring easy readability from a distance. Users can effortlessly adjust temperature settings to maintain an optimal comfort level using intuitive buttons. Additionally, the remote features a timer function, allowing users to program start and stop times for their HVAC systems, which helps in saving energy and improving efficiency.

Another significant technology integrated into the CZ-RD515U is the super quiet operation mode. This feature allows users to set their air conditioning system to operate at lower noise levels, making it ideal for nighttime use or quiet zones. Furthermore, the remote controller includes a "powerful" function, which provides a temporary boost in power to reach desired temperatures more quickly, enhancing overall comfort in the space.

Panasonic has also incorporated a user-friendly design into the CZ-RD515U, with a lightweight structure and ergonomic grip, making it easy to hold and operate. The remote is equipped with a protective cover to safeguard against dust while not in use. Each remote can function under a considerable distance range, providing convenience in larger spaces.

Moreover, the CZ-RD515U takes advantage of advanced wireless communication, ensuring reliable control without the hindrances of wired connections. This flexibility underlines Panasonic’s commitment to user-centric design, merging functionality with cutting-edge technology to deliver superior comfort solutions.

Ultimately, the Panasonic CZ-RD515U stands out for its thoughtful features and functionalities, making it a reliable and efficient option for controlling your heating and cooling systems effortlessly. Its advanced capabilities, ease of use, and quiet operation make it a valuable addition to any home or business environment.