Contents Of Remote Controller Switch Alarm Display - Sanyo CHDZ07263 Service Manual

1. Contents of Remote Controller Switch Alarm Display

Remote controller is
Serial
detecting error signal from
communication
indoor unit.
errors
Mis-setting
Indoor unit is detecting error signal from remote controller and system controller.
Indoor unit is detecting error
signal from outdoor unit.
Outdoor unit is detecting error
signal from indoor unit.
Improper setting
1
Indoor unit communication
error of group control wiring.
During auto. address setting,
number of connected units
does not correspond to
2
number set.
3
Improper setting
4
5
Thermistor Indoor unit
fault
6
7
Possible cause of malfunction
Error in receiving serial communication signal.
(Auto address is not completed.)
Error in transmitting serial communication signal.
Group wiring failure of indoor units in the refrigerant system
(occurring when remote controller is operated immediately after
automatic address setting)
Error in receiving serial communication signal.
There is an indoor unit which does not send signals when the
power is ON.
Indoor unit address setting is duplicated.
Duplicated remote controller "main" setting.
Starting auto. address setting is prohibited.
AP pin / CN102 is shorted while the auto. address setting
started.
Error of main indoor unit in receiving serial communication signal
from sub indoor units.
Number of connected indoor units is less than the number set.
Number of connected indoor units is more than the number set.
No indoor unit is connected.
Main outdoor unit is detecting error signal from sub outdoor unit.
Duplicated outdoor unit address setting.
Mismatch in "No. of outdoor units" setting.
Error of sub outdoor unit in receiving signal from main outdoor
unit.
Connected indoor unit is not a multi unit.
Duplication of main indoor unit address setting in group control.
Group control wiring is connected to individual control indoor unit.
Indoor unit address is not set.
Capacity code of indoor unit is not set.
Duplication of outdoor system address setting.
Capacity code of outdoor unit is not set.
Mismatch of outdoor unit type.
Indoor coil temp. sensor (E1)
Indoor coil temp. sensor (E3)
Indoor suction air (room) temp. sensor (TA)
Indoor discharge air temp. sensor (BL)
3 - 2
Trouble Diagnosis
ON: Blinking: OFF:
Wired
Wireless
remote
remote controller
control
receiver display
display
<E01>
Operating
lamp blinking
<E02>
<<E03>>
E04
Heating ready
lamp blinking
E06
<<E08>>
<<E09>>
Operating
lamp blinking
E12
E18
E15
E16
E20
Heating ready
E24
lamp blinking
E25
E26
E29
<<L02>>
Operating and heating
<L03>
ready lamps blinking
simultaneously
L07
L08
<<L09>>
L04
Operating and heating
ready lamps blinking
L10 simultaneously
L17
<<F01>>
Operating and timer
lamps blinking
<<F03>>
alternately
<<F10>>
<<F11>>
Continued