Compressor Operating State Indication; Special Notes - Hisense AS-09UR4SVNVG1 Service Manual

6 . C O N T R O L M
6 . C O N T R O L M
When being auto, the fan speed is determined in the cooling mode (with
the temperature setting of 24
The high, medium and low fan speeds are same with that in the cooling
mode.

6-3-11 Compressor operating state indication

When the compressor is in operation, The 3 LED indicator lights on
the control panel of the outdoor unit indicates the causes of the
restriction on the compressor's current operating frequency.
Symbols for indicator light:: ★: ON
LED1 LED2
1 Ο Ο
2 × ×
3 ×
★
4 ×
★
5 ×
★
6
★ ★
8 ×
★

6-3-12 Special notes

6-3-12-1 The outdoor unit of this model is electrified by the indoor unit
control. After the system starts to operate, the indoor unit supplies the
outdoor unit (except for the ventilation mode). If the EEPROM data is
read correctly after turning on the power, the indoor unit's beeper rings
one time, or if it is not the case the beeper will ring two times and the
O D E
O D E
0
C in default).
The
LED3
compressor's current operating frequency
Ο Normal frequency ascent and descent with no
restriction on the frequency
Frequency descent or restriction on frequency
★
ascent caused by over current
Frequency descent or restriction on frequency
★
ascent caused by anti-freeze in cooling or
overload control in heating
Frequency descent or restriction on frequency
★
ascent caused by
discharge temperature
× Restriction on maximum operation operating
frequency caused by too low voltage on the
supply circuit
Operating at a fixed frequency (when in a
★
capacity measurement or forced operation at
a fixed frequency.)
× Communication frequency drops.
Ο: flashing
cause of the
×: OFF
restriction on
too high compressor
the