Sharp AH-X079E Service Manual page 22

AH-X079E/X099E
AY-X079E/X099E
Function
NO
7 Compressor Lowers the operating frequency if the
overheating temperature of the compressor chamber
control thermistor (TH1) rises above 105°C.
Stops the compressor if the thermistor
stays above 105°C for 1 minutes at 35Hz
or less.
8 Compressor Stops the compressor if the compressor
high chamber thermistor is above 114°C.
temperature (Or when TH1 shorts)
error
9 Outdoor heat Lowers the operating frequency if the
exchanger temperature of the outdoor heat exchanger
overheating rises above 57°C during cooling. Stops the
control compressor if the temperature stays above
57°C for 1 minute at 35 Hz or less.
10 Outdoor Stops the compressor if an outdoor
thermistor thermistor (excluding TH1) shorts.
short
11 Outdoor Stops the compressor if the circuit of an
thermistor outdoor thermistor breaks.
open
12 AC abnormal Stops the compressor if if the operating
current error frequency is above 85 Hz and the
compressor current is below 1.0 A.
13 Serial signal Turns the compressor relay off if the indoor
error 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.
14 Power factor When an power factor module error input
module is detected.
(Active filter)
error
Operation
Description
During
compressor
operation
During
operation
During
compressor
operation
When
compressor is
activated
When
compressor is
activated
During
compressor
operation
During
operation
During
operation
During
compressor
operation
22
Detection Restart
time condition
Automatically
restarts after safety
time (170 seconds)
Automatically
restarts when
thermistor (TH1)
temperature falls
below 100°C
(approximately 30
minutes)
Automatically
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
Automatically
restarts after safety
time (170 seconds)
Automatically
restarts less than 8
minutes after
operation stops
Restarts after
reception of serial
signal
Automatically
restarts after safety
time (170 seconds)
Self diagnostic
display
Restart Indoor Outdoor
times
No limit No No
4 times Yes Yes
No limit No No
4 times Yes Yes
4 times Yes Yes
4 times Yes Yes
No limit Yes
No limit Yes
4 times Yes Yes