Chigo CCA-18HR1, Technical Manual

Page: 94 / 166

R410A50Hz Universal Outdoor Series Technical Manual Duct Type Indoor Unit
91
GD Chigo Heating & Ventilation Equipment Co., Ltd.
Table 2
Symptoms Solution Causes
The fan speed can not be changed
Check whether the MODE indicated
on the display is “AUTO”
When the automatic mode is
selected, the air conditioner will
automatically change the fan speed
Check whether the MODE indicated
on the display is
“DEHUINIDIFICATION”
When dry operation is selected. the
air conditioner automatically
change the fan speed.The fan speed
can be selected during “COOL”,”FAN
NOLY”,and “HEAT”
The wire controller signal is not
tea transmitted even when the
ON/OFF button is pushed
Check whether the signal transmitter
of the wire controller is properly
directed to the infrared signal
receiver of the indoor unit
The power supply is off
The TEMP. indicator does not
come on.
Check whether the MODE indicated
on the display is FAN ONLY The temperature cannot be set
during FAN mode
The indication on the display
disappears after a lapse of time
Check whether the timer operation
has come to an end when the TIMER
OFF is indicated on the display
The air conditioner operation will
stop up to the set time
The TIMER ON indicator goes off
after a lapse of certain time
Check whether the timer operation is
started when the TIMER ON is
indicated on the display
Up to the set time,the air
conditioner will automatically start
and appropriate indicator will go
off
NO receiving tone sounds from
the indoor unit even when the
ON/OFF button is pressed
Check whether the signal transmitter
of the wire controller is properly
directed to the infrared signal
receiver of the indoor unit when
the ON/OFF button is pressed Directly transmit the signal
transmitter of the wire controller
to the infrared signal receiver of
the indoor unit, and then repeatly
push the ON/OFF button twice
Fault code table
No. Type Content Code Remark
1 Fault Room temperature sensor fault E2
Automatic recovery after the
problem resolved
2 Fault Indoor coil temperature sensor fault E3
3
Fault
Outdoor coil temperature sensor fault E5
4 Fault Water full protection F5
5 Fault Outdoor protection F2
6 Fault Communication fault E1 Manual eliminate
7 Fault EEPROM communication fault P6
Recovery after interruption
of power supply
8 Indication Enforced cooling /