Panasonic CZ-KPY3A series Service Manual

5-2
5
5-1. Contents of Remote Controller Switch Alarm Display
Failure in receiving serial
signal from remote controller's
indoor unit
Failure in indoor unit receiving
serial signal from outdoor unit
Duplication of indoor unit address
Failure in outdoor unit
receiving serial signal from
indoor unit
Duplication of main remote
controller setting
Improper setting
Settings of system address,
indoor unit address and group
control are not made
Setting failure of nonvolatile
memory IC
Failure in indoor unit serial
signal from remote controller
Automatic address settings
failure
Communication error between
main and sub indoor units
Group control wiring is connected
to individual control indoor unit
E01
E02
E06
E03
E04
E08
E09
E12
E14
E15
E16
E24
E29
E18
L03
L10
L07
L08
L09
Error in indoor unit receiving signal from remote controller (central)
Faulty remote controller
Disconnection/Contact failure of remote controller wiring
CHK(check) pins on the indoor unit control PCB are short circuited
Faulty remote controller
Faulty setting of EEPROM (IC010) on indoor unit
In the case of non-group control:
・Power supply OFF of outdoor unit
・Disconnection / Contact failure of inter-unit wiring
In the case of group control:
Automatic address operation was not carried out.
Wrong wiring of remote controller
Disconnection / Contact failure of inter-unit wiring
・Faulty indoor unit control PCB
・Faulty outdoor unit control PCB
・
Communication circuit fuse (F302) on indoor unit control PCB opened
Duplication of indoor unit address setting
Indoor unit control PCB address setting error
Error because of more than one remote controller setting to main
Automatic address setting start is prohibited
Duplication of main unit in group control
Automatic Address Alarm
The total capacity of indoor units is too low
Automatic Address Alarm
The total capacity of indoor units is too high
Automatic Address Alarm
No indoor unit connected
・Disconnection of wiring between main unit and additional units
・Contact failure of wiring
・Faulty indoor unit control PCB (Main or Addition)
Duplication of main indoor unit address in group control
Outdoor unit capacity is not set or setting error
Group control wiring is connected to individual control indoor unit
Indoor unit address is not set
Indoor & outdoor unit type
miss-matched
Duplication of group control's
main indoor unit
Indoor unit capacity is not set
・Disconnection / Contact failure of inter-unit wiring
・Fuse on outdoor unit control PCB opened
Since failure of an outdoor fan motor is considered as a cause,
both outdoor unit control PCB and outdoor unit fan motor are
exchanged simultaneously.
・Disconnection of inter-unit wiring
・
Communication circuit fuse (F302) on indoor unit control PCB opened
Outdoor unit Communication error
Outdoor unit Communication error
Serial
communication
errors
Missetting
Continued
Setting error, indoor/outdoor unit type/model miss-matched
Indoor unit type setting error
4-way valve locked trouble / operation failure
L02
L13
L18
L04
Duplication of outdoor unit address
ON:
Operation Standby
Blinking: OFF:
Possible cause of malfunction
Wireless
remote controller
receiver display
Wired
remote
control
display
Timer
E20
Operating lamp
blinking
Operating lamp
blinking
Standby
lamp blinking
Standby lamp
blinking
Operating and
standby
lamps blinking
simultaneously
Operating and
standby
lamps blinking
simultaneously
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Panasonic CZ-KPY3A series Specifications

General

Brand	Panasonic
Model	CZ-KPY3A series
Category	Air Conditioner
Language	English