Read Sharp AU-X10 (serv.man9) Service Manual online
25
AH/AY-X08CR
AH/AY-X10CR
AH/AY-X13CR
AH/AY-X10CR
AH/AY-X13CR
FUNCTION AND OPERATION OF PROTECTIVE PROCEDURES
Function
NO
Description
Detection
time
Restart
condition
Restart
times
Indoor Outdoor
Operation
Self diagnostic
display
1
2
3
4
5
6
7
Indoor fan
lock
lock
Indoor fan
rpm error
rpm error
Indoor
freezing
guard
freezing
guard
Indoor
overheating
control
overheating
control
DC
overcurrent
overcurrent
AC
overcurrent
overcurrent
Compressor
overheating
control
overheating
control
Compressor
high
temperature
error
high
temperature
error
Stops operation if no revolution pulse
signal is input from the indoor fan motor for
one minute.
signal is input from the indoor fan motor for
one minute.
Stops operation if the revolution pulse
signal from the indoor fan indicates low
rpm (approximately 300 rpm or less).
signal from the indoor fan indicates low
rpm (approximately 300 rpm or less).
Lowers the operating frequency if the
temperature of the indoor heat exchanger
goes below 5
temperature of the indoor heat exchanger
goes below 5
°
C during cooling. Stops the
compressor if the temperature stays below
0
0
°
C for 4 minutes.
Lowers the operating frequency if the
temperature of the indoor heat exchanger
rises above the overheating temperature
during heating. Stops the compressor if the
temperature stays above the overheating
temperature for 1 minute at minimum
frequency or less.
Set values for overheating temperature
temperature of the indoor heat exchanger
rises above the overheating temperature
during heating. Stops the compressor if the
temperature stays above the overheating
temperature for 1 minute at minimum
frequency or less.
Set values for overheating temperature
During normal operation: 45
°
C to 54
°
C
During full power operation: 47
°
C to
58
°
C
Stops the compressor if a current of
approximately 23A or more flows in the
power transistor module.
approximately 23A or more flows in the
power transistor module.
Lowers the operating frequency if the
compressor AC current exceeds
set value( ).Show "2-2(1)AC peak control"
Stops the compressor if the current
exceeds at 40Hz or less set value( ).
compressor AC current exceeds
set value( ).Show "2-2(1)AC peak control"
Stops the compressor if the current
exceeds at 40Hz or less set value( ).
Lowers the operating frequency if the
temperature of the compressor chamber
thermistor (TH1) rises above 105
temperature of the compressor chamber
thermistor (TH1) rises above 105
°
C.
Stops the compressor if the thermistor
stays above 105
stays above 105
°
C for 1 minutes at
minimum frequency or less.
Stops the compressor if the compressor
chamber thermistor is above 114
chamber thermistor is above 114
°
C.
(Or when TH1 shorts)
When indoor
fan is revolving
fan is revolving
During cooling
and dry
and dry
During heating
During
compressor
operation
compressor
operation
During
compressor
operation
compressor
operation
During
compressor
operation
compressor
operation
During
operation
operation
Operation OFF
Automatically
restarts when the
exchange
temperature rises
above the freezing
prevention
temperature (above
2
restarts when the
exchange
temperature rises
above the freezing
prevention
temperature (above
2
°
C)
Automatically
restarts when the
exchange
temperature goes
below the
overheating
temperature.
restarts when the
exchange
temperature goes
below the
overheating
temperature.
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
Automatically
restarts when
thermistor (TH1)
temperature falls
below 100
restarts when
thermistor (TH1)
temperature falls
below 100
°
C
(approximately 30
minutes)
minutes)
No limit
No limit
No limit
8times
4 times
No limit
4 times
Yes
No
No
Yes
Yes
No
Yes
No
No
No
Yes
Yes
No
Yes
( )
M o d e l
S e t
v a l u e
C o o l
H e a t
6 . 2 A
6 . 7 A
5 . 3 A
5 . 4 A
7 . 9 A
1 0 . 5 A
5 . 3 A
6 . 2 A
7 . 9 A
A E - X 0 8 C R
A E - X 1 0 C R
A E - X 1 3 C R
A U - X 0 8 C R
A U - X 1 0 C R
A U - X 1 3 C R
26
AH/AY-X08CR
AH/AY-X10CR
AH/AY-X13CR
AH/AY-X10CR
AH/AY-X13CR
Function
NO
Description
Detection
time
Restart
condition
Restart
times
Indoor Outdoor
Operation
Self diagnostic
display
8
9
10
11
12
13
14
15
16
Outdoor heat
exchanger
overheating
control
exchanger
overheating
control
Outdoor
thermistor
short
thermistor
short
Outdoor
thermistor
open
thermistor
open
AC abnormal
current error
current error
Serial signal
error
error
Power factor
module
(Active filter)
error
module
(Active filter)
error
Rotation error
of the
compressor
of the
compressor
Open circuit
of the power
module (IPM)
heat-sink
thermistor
of the power
module (IPM)
heat-sink
thermistor
Overheat of
the power
module (IPM)
or short
circuit of the
power
module (IPM)
heat-sink
thermistor
the power
module (IPM)
or short
circuit of the
power
module (IPM)
heat-sink
thermistor
Lowers the operating frequency if the
temperature of the outdoor heat exchanger
rises above 55
temperature of the outdoor heat exchanger
rises above 55
°
C during cooling. Stops the
compressor if the temperature stays above
55
55
°
C for 1 minute at minumum frequency.
Stops the compressor if an outdoor
thermistor (excluding TH1) shorts.
thermistor (excluding TH1) shorts.
Stops the compressor if the circuit of an
outdoor thermistor breaks.
outdoor thermistor breaks.
Stops the compressor if if the operating
frequency is above 50 Hz and the
compressor current is below 1.0 A.
frequency is above 50 Hz and the
compressor current is below 1.0 A.
Turns the compressor relay off if the indoor
unit does not receive a serial signal from
the outdoor unit for 8 minutes.
unit does not receive a serial signal from
the outdoor unit for 8 minutes.
Stops the compressor if the outdoor unit
does not receive a serial signal from the
indoor unit for 30 seconds.
does not receive a serial signal from the
indoor unit for 30 seconds.
When an power factor module error input
is detected.
is detected.
When abnormalities occur to a position
detected signal.
detected signal.
Stops the compressor if the circuit of the
heat-sink thermistor.
heat-sink thermistor.
Stops the compressor if the temperature of
the power module is (IPM) is exceeds
90˚C. Also stops the compressor if the
heat-sink thermistor shorts.
the power module is (IPM) is exceeds
90˚C. Also stops the compressor if the
heat-sink thermistor shorts.
During
compressor
operation
compressor
operation
When
compressor is
activated
compressor is
activated
When
compressor is
activated
compressor is
activated
During
compressor
operation
compressor
operation
During
operation
operation
During
operation
operation
During
compressor
operation
compressor
operation
Under feedback
operation of
compressor
operation
operation of
compressor
operation
When
compressor is
activated
compressor is
activated
During
compressor
operation
compressor
operation
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
Automatically
restarts less than 8
minutes after
operation stops
restarts less than 8
minutes after
operation stops
Restarts after
reception of serial
signal
reception of serial
signal
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
Automatically restart
after safety time
(170 seconds)
after safety time
(170 seconds)
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
restarts after safety
time (170 seconds)
No limit
4 times
4 times
4 times
No limit
No limit
4 times
8 times
4 times
4 times
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
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