Sharp AU-X08CR - Page 26

AH/AY-XO8CR
AH/AY-X10CR
AH/AY-X13CR
Operation Self diagnostic
NO| Function —_ : dlepley
Description Detection Restart Restart | Indoor} Outdoor
time condition times
Outdoor heat |Lowers the operating frequency if the Automatically wat
Yes | Yes
exchanger {temperature of the outdoor heat exchanger} compressor restarts after safety
4times | Yes | Yes
overheating |rises above 55°C during cooling. Stops the | operation time (170 seconds)
4 times Yes
control compressor if the temperature stays above
55°C for 1 minute at minumum frequency.
No limit | Yes | —
No limit | — | Yes
4 times Yes | Yes
Yes | Yes
When
compressor is
activated
Automatically
restarts after safety
time (170 seconds)
Outdoor Stops the compressor if an outdoor
thermistor thermistor (excluding TH1) shorts.
short
When
compressor is
activated
Automatically
restarts after safety
time (170 seconds)
Outdoor
thermistor
Open
Stops the compressor if the circuit of an
outdoor thermistor breaks.
During Automatically
compressor restarts after safety
operation time (170 seconds)
AC abnormal
current error
Stops the compressor if if the operating
frequency is above 50 Hz and the
compressor current is below 1.0 A.
During Automatically
operation restarts less than 8
minutes after
operation stops
Turns the compressor relay off if the indoor
unit does not receive a serial signal from
the outdoor unit for 8 minutes.
Serial signal
error
Restarts after
reception of serial
signal
Stops the compressor if the outdoor unit
does not receive a serial signal from the
indoor unit for 30 seconds.
During
operation
Automatically
restarts after safety
time (170 seconds)
When an power factor module error input
is detected.
During
compressor
operation
Power factor
module
(Active filter)
error
Rotation error} When abnormalities occur to a position Under feedback | Automatically restart | 8 times
of the detected signal. operation of after safety time
compressor compressor (170 seconds)
operation
When 4 times
compressor is
activated
Automatically
restarts after safety
time (170 seconds)
Stops the compressor if the circuit of the
heat-sink thermistor.
Open circuit
of the power
module (IPM)
heat-sink
thermistor
During
compressor
operation
Automatically
restarts after safety
time (170 seconds)
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.
Overheat of
the power
module (IPM)
or short
circuit of the
power
module (IPM)
heat-sink
thermistor
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