Shenzhen Envicool Technology Co., Ltd.
fan cannot run
in the standby
state
automatic control logic after being power on and in the
standby for 30s.
The fan gets stuck
Check if there is any foreign object that blocks the fan.
The terminal is
loose
Check if the fan connecting terminal is loose
External cycling
fan cannot run
the compressor is
not started
The outside fan can run after the compressor starts.
The fan gets stuck
Check if there is any foreign object that blocks the fan.
The terminal is
loose
Check if the fan connecting terminal is loose.
Fan makes
abnormal noise
The bearing of fan
wears
Replace the fan.
The blades of fan
scratch other
objects
Check whether there are any interferences between the
cable and the blades of the fan.
The external
hydrogen
discharge fan
does not work
Setting error or
the operating
condition has not
been satisfied
Check if the operating condition is satisfied.
Power cut-off
Check the external power supply.
The fan cannot
work
Replace the fan.
The default is not
opened
Make sure whether there is an external fan linkage
function configuration.
The compressor
cannot start
The power supply
is not started
(standby)
Check the main power switch, and check if the startup
interface is displayed.
Loose circuit
connection
Tighten the circuit connectors.
The compressor
motor burns out
Check the motor and replace it if any defect is found.
The compressor
cannot work
There is no
cooling demand
Check the display of the temperature inside the cabinet
and the compressor output status on the operation
interface.
Within shutdown
delay
The compressor has the shortest shutdown time in
normal state. If the temperature rises to the starting
point during this period, the compressor still would not
start until the time delay expires.
Air conditioning
system overload
The condenser is
clogged by dirt
Clean the condenser.
The condenser
fan does not work
Refer to table 5.2.
Ambient
temperature is too
high
Make a judgement if the ambient temperature is out of
the working temperature range.
EIA series air conditioner user manual
15
