Airwell GC 9 DCI User Manual

TROUBLESHOOTING
13-2 SM PNXADCI 1-A.1 GB
No
SYMPTOM PROBABLE
CAUSE
CORRECTIVE ACTION
8 Compressor is on but
outdoor fan does not
work
Problem with
outdoor electronics
or outdoor fan
Check outdoor fan motor according
to the procedure in section 13.2.3
below, if not OK replace controller
9 Unit works in wrong
mode (cool instead of
heat or heat instead of
cool)
Electronics or
power connection
to RV
Check RV power connections, if OK,
Check RV operation with direct
230VAC power supply, if OK,
Replace outdoor controller.
10
All components are
operating properly but
no cooling or no heating
Refrigerant leak Check refrigeration system.
11
Compressor is over
heated and unit does not
generate capacity
EEV problem Check EEV
12
Units goes into
protections and
compressor is stopped
with no clear reason
Control problem or
refrigeration
system problem
Perform diagnostics (See 13.1.3
below), and follow the actions
described.
13
Compressor motor is
generating noise and no
suction occurs
Phase order to
compressor is
wrong
Check compressor phase order.
14
Water leakage from
indoor unit
Indoor unit
drainage tube is
blocked
Check and open drainage tube.
15
Freezing of outdoor unit
in heat mode and
outdoor unit base is
blocked with ice
Connect base heater.
16
Unit operates with wrong
fan speeds or wrong
frequency
Wrong jumper
settings
Perform diagnostics (See 13.1.3
below), and check if units is
operating by EEPROM parameters.
13.1.2 Checking the refrigeration system
Checking system pressures and other thermodynamic measures should be done when system
is in Test Mode (in Test mode, system operates in fixed settings). The performance curves
given in this manual are given for unit performance in test mode when high indoor fan speed is
selected.
Entering test mode:
Set unit to Cool/16 degrees/High indoor fan speed, or Heat/30 degrees/High indoor fan speed,
and enter diagnostics.
13.1.3 Judgment by Indoor/Outdoor Unit Diagnostics
Enter diagnostics mode - press for five seconds Mode/Reset button in any operation mode.
Acknowledgment is by 3 short beeps and lights of all Display LED’s. Then, The units will enter
into Indoor and Outdoor unit diagnostic modes.
During the Outdoor unit diagnostics all three Indoor LED’s (STBY/Operate, Filter and Timer)
are blinking. When Indoor diagnostics is displayed, all three LED’s (STBY/Operate, Filter and
Timer) are ON.

Airwell GC 9 DCI Specifications

General

Brand	Airwell
Model	GC 9 DCI
Category	Air Conditioner
Language	English